• <tr id="yyy80"></tr>
  • <sup id="yyy80"></sup>
  • <tfoot id="yyy80"><noscript id="yyy80"></noscript></tfoot>
  • 99热精品在线国产_美女午夜性视频免费_国产精品国产高清国产av_av欧美777_自拍偷自拍亚洲精品老妇_亚洲熟女精品中文字幕_www日本黄色视频网_国产精品野战在线观看 ?

    Digital CEOs in Digital Enterprises: Automating,Augmenting, and Parallel in Metaverse/CPSS/TAOs

    2024-04-15 09:36:30ByJuanjuanLiRuiQinSangtianGuanXiaoXuePengZhuSeniorFeiYueWang
    IEEE/CAA Journal of Automatica Sinica 2024年4期

    By Juanjuan Li ,,, Rui Qin ,,, Sangtian Guan , Xiao Xue ,,,Peng Zhu , Senior,, Fei-Yue Wang ,,

    BIG models or foundation models are rapidly emerging as a key force in advancing intelligent societies[1]–[3]Their significance stems not only from their exceptional ability to process complex data and simulate advanced cognitive functions, but also from their potential to drive innovation across various industries.When it comes to their value creation, the commercial application is undoubtedly an effective approach, with enterprise management serving as an ideal scenario.As we gaze into the future, it is increasingly evident that these large models will not only transform the operational facets of businesses but also revolutionize the strategic decision-making processes at their core.The introduction of large models into enterprise management marks a new era where data-driven insights and machine intelligence become integral to corporate governance.

    Central to this wave of change is the role and responsibilities of the Chief Executive Officer (CEO).CEOs, traditionally seen as the harbingers of human intuition and experience in business strategies [4]–[6], are now at the crossroads of a paradigm shift towards a digital-centric business environment,which necessitates a new breed of leadership: digital CEOs[7], [8].They will work in metaverse or cyber-physical-social systems (CPSS) to significantly transform traditional work methodologies,not by rendering people jobless but by making work processes more efficient [9], [10].

    As shown in Fig.1, they are poised to undergo a transformative journey marked by three distinct developmental stages: automating CEOs, augmenting CEOs, and parallel CEOs [11].In the stage of automated CEOs, digital CEOs are simply AI-driven tools and systems that can streamline and automate routine and administrative tasks,so as to free human CEOs from mundane tasks.In the stage of augmenting CEOs,digital CEOs go further to be digital assistants that provide advanced insights and analytics, enabling human CEOs to make more informed and strategic decisions and expanding their capabilities beyond traditional limits.In the stage of parallel CEOs, digital CEOs work in parallel to human CEOs rather than just supporting or being subservient to human decision-making.Parallel CEOs breaks away from traditional management hierarchies, introducing a new mode of humanmachine collaboration where digital and human CEOs jointly form the virtual-real interactive loop for decision-making and strategic planning.These three stages outline a trajectory where the role of CEOs evolves in tandem with advancements in intelligent technologies, reflecting a profound shift in the nature of leadership and management in modern enterprises.Currently, although the prospect of digital CEOs assuming nearly all responsibilities related to managing tasks and people remains within the realm of future possibilities, the potential of AI technologies and tools to augment or assist in high-level decision-making is already evident [12].

    The presence of digital CEOs further heralds a broader transformation into digital enterprises.These enterprises are not merely organizations that use digital tools, but rather embody a fundamental shift in how businesses operate,strategize,and interact with their customers and environments.These digital enterprises evolve to fully leverage the cutting-edge technologies such as blockchain, smart contracts, and decentralized autonomous organizations and operations (DAOs)[13]–[15] or TRUE autonomous organizations and operations(TAOs) [16]–[18] and so on, to fundamentally change the organizational structure and operational mode to achieve intelligence and smartness.Under leadership of digital CEOs and the collaborative efforts of digital workers, digital enterprises transform from automated entities to intelligent organizations,and ultimately,to wise enterprises that are not just technologydriven, but technology-empowered.

    Automating CEOs

    Fig.1.Three development stages of digital CEOs and digital enterprises.

    In the context of strategy formulation, team leadership,and critical decision-making, the CEO emerges as a pivotal role [19], [20], which typically encompasses a spectrum of functions including but not limited to high-level innovative thinking,interpersonal interactions,and complex judgment and decision-making[21],[22].However,within the ambit of their daily responsibilities,there exists a range of tasks that are noncreative, repetitive, or rule-based.For instance, CEOs may spend extensive hours, or even days, in the comprehensive examination and analysis of a multitude of company reports.This encompasses an array of information sources such as financial reports, market analysis data, operational indicators,human resources statistics, and customer satisfaction surveys.The process involves contrasting historical data, identifying trend shifts,unearthing potential issues,and forecasting future trajectories to make strategic decisions that profoundly influence the enterprise.These tasks are both time-intensive and demand meticulous attention and focus, undoubtedly consuming a significant portion of the CEO’s energies.Furthermore,in the face of voluminous data, manual processing is susceptible to omissions or misinterpretations.

    In such scenarios, digital CEOs can be instrumental, and serve as intelligent tools by nature.With the help of digital CEOs, a portion of these non-creative tasks can be assisted or even supplanted.AI-driven data analysis systems embedded in digital humans are capable of real-time capture and integration of a variety of report data from both internal and external sources of the enterprise [23].Through machine learning and deep learning algorithms, these systems perform deep mining and intelligent interpretation of the data, swiftly producing visual reports.They automatically pinpoint critical information such as main business progressions, team efficiency, and potential risks like anomalies.Additionally, the digital CEOs can utilize historical data and machine learning models to predict future trends, offering precise and timely decision support to the CEO [24].This significantly reduces the timeframe from data acquisition to insight generation,enabling the CEO to allocate more time and resources to more innovative and strategic matters, including optimizing business models,developing long-term strategies,and maintaining key relationship networks, thereby effectively enhancing the operational efficiency and competitive edge of the enterprise.Concurrently, it also minimizes errors due to human factors,ensuring the accuracy and reliability of decision bases.This,in turn, reduces the probability of decision-making errors by the CEO and enhances their decision-making efficiency.

    Augmenting CEOs

    If automating CEOs primarily focus on liberating human CEOs from tedious, non-creative tasks like data analysis, then augmenting CEOs are designed to provide human CEOs with a wealth of specialized knowledge.In this stage,digital CEOs are regarded as indispensable digital assistants or think tank of experts for CEOs, particularly adept at processing complex data to generate knowledge, thereby significantly reinforcing and supporting the strategic thinking and innovative capacity of CEOs [25].For instance, in formulating key strategic development directions for an enterprises, digital CEOs can efficiently integrate diverse, voluminous, and heterogeneous data from internal operations and external markets,and rapidly distill them into precise knowledge tailored for specific management scenarios.

    By amalgamating expert knowledge bases and practical experiences across different industries and domains, digital CEOs are capable of training professional-grade big models that span multiple disciplines and industries [26].These big models further support the construction of AI agents with their low cost, reduced cognitive blind spots, and rapid response to dynamic environments, become a formidable intellectual support for CEOs in making strategic and innovative decisions[27].They utilize these professional knowledge systems to perform deep and efficient interpretation and analysis of extensive complex data from multiple professional perspectives,offering CEO multi-dimensional and multi-layered strategic insights and recommendations.This not only assists CEO in swiftly grasping the current operational status of their enterprises but also in discerning trends in market development, shifts in competitive landscapes, and the evolution of customer needs,thereby enabling more precise and forward-looking strategic decision-making proactively rather than reactively.

    Parallel CEOs

    With the bold vision of digital CEOs work like human CEOs and parallel to them in the metaverse or CPSS, intelligent technologies are required to advances to a point where they encapsulate not just the analytical and decision-making capabilities of human leaders, but also the nuances of leadership that involve emotional intelligence, strategic foresight, and human empathy [28].The former is being realized by AI technologies represented by large multi-modal models(LMM),while the latter still requires more in-depth exploration.

    Digital CEOs transcend intelligent machines or agents powered by LMM, and no longer represent any specific individual.Instead, they could be a digital human, an intelligent program, or an information machine.Alternatively,they might encompass a group of digital humans, programs,or machines, each assuming different functions.They are intricately designed to mirror human nuances, ensuring that they not only perform tasks but also think and interact in a human-like manner.Digitial CEOs could be powered by sophisticated AI that extends beyond data processing and pattern recognition, and possess advanced cognitive abilities,enabling them to understand and interpret complex market dynamics, corporate politics, and human emotions.Besides,they could continuously evolve, learning from not only data but also knowledge and experiences much like a human CEO, but at an exponentially faster rate.In addition, digital CEOs could potentially manage global operations seamlessly,working without the human limitations physical endurance and mental energy.This could lead to increased efficiency and productivity, as decisions and responses to market changes could be made instantaneously [29].However, digital CEOs may also raise significant ethical moral concerns [30].The ability of a AI-powered program or machine to fully replicate the human qualities that often define the best leaders, such as empathy, moral judgment, and the capacity to inspire and motivate people,remains a complex and unresolved challenge.

    From Digital CEOs to Digital Enterprises

    The impact of digital CEOs goes far beyond individual leadership, but embodies the integration of advanced technologies and strategic foresight in the business landscape.This heralds the emergence of digital enterprises, which are organizations fundamentally reshaped by the principles of digital innovation and intelligence.Digital enterprises guided by digital CEOs and propelled by digital workers using a variety of digital tools under the decentralized organizational structures and equity frameworks.As shown in fig.2, they are established based on blockchain intelligence as well as their derivative technologies [31], to redefine the organizational and operational model of future enterprises, offering unprecedented levels of transparency, security, and efficiency [32].

    In essence, digital enterprises embody an advanced, intelligent instrument for the future businesses, serving as an intelligent operating system that equips business owners with the necessary tools for effective enterprise management.With the help of digital enterprises,the future business can operate in an autonomous mode(AM),requiring mainly digital workers and robotic workers.In this framework,the need for large,physical office spaces and extensive human resources is significantly reduced, as many functions are automated and handled by digital workers.This is paving the way for the miniaturization and micro-sizing of future businesses.

    Moreover, it is crucial to integrate human-machine consensus mechanisms to ensure human intervention in non-standard situations.While digital enterprises predominantly operate in an automated or autonomous mode,incorporating such mechanisms ensures that they are still grounded in human insight and discretion.This is particularly important in handling complex,unforeseen, or ethically ambiguous situations where human intuition and ethical reasoning are paramount.The humanmachine consensus provides a failsafe,ensuring that decisions made by automated systems can be reviewed, modified, or overridden by human operators when necessary.Under this consensus framework, when encountering unpredictable and long-tail issues that digital workers cannot handle, parallel mode (PM) will be activated by providing remote access of human experts.If an issue persists even after PM deployment,expert mode(EM)should be called to dispatch human experts or emergency teams to the site [33]–[35].The future enterprises will operate by shifting among these three modes as circumstances dictate, with AM being the predominant one.

    Fig.2.The operational mode of digital enterprises.

    [13] S.Wang, W.Ding, J.Li,et al., “Decentralized autonomous organizations: Concept, model, and applications,”IEEE Trans.Comput.Soc.Syst., vol.6, no.5, pp.870–878, 2019.

    [14] J.Li,R.Qin,W.Ding,et al.,“A new framework for Web3-powered decentralized autonomous organizations and operations,”Acta Automatica Sinica, vol.49, no.5, pp.985–998, 2023.

    [15] Q.Miao, W.Zheng, Y.Lv,et al., “DAO to HANOI via DeSci: AI paradigm shifts from AlphaGo to ChatGPT,”IEEE/CAA J.Autom.Sinica, vol.10, no.4, pp.877–897, 2023.

    [16] J.Li,X.Liang,R.Qin,et al.,“From DAO to TAO:Finding the essence of decentralization,”inProc.IEEE Int.Conf.on Syst.,Man,and Cybern.,Hawaii, USA, pp.4283–4288, 2023.

    [17] J.Li, and F.-Y.Wang, “The TAO of blockchain intelligence for intelligent Web 3.0”,IEEE/CAA J.Autom.Sinica, vol.10, no.12, pp.2183–2186, Dec.2023.

    [18] X.Wang, Y.Wang, M.Netto,et al., “Smart decentralized autonomous organizations and operations for smart societies: Human–autonomous organizations for Industry 5.0 and Society 5.0,”IEEE Intelligent Systems,vol.38, no.6, pp.70–74, 2023.

    [19] E.R.Shapiro, “The changing role of the CEO,”O(jiān)rganisational and Social Dynamics, vol.1, no.1, pp.130–142, 2000.

    [20] D.Georgakakis, M.L.M.Heyden, J.D.R.Oehmichen,et al., “Four decades of CEO–TMT interface research: A review inspired by role theory,”The Leadership Quarterly, vol.33, no.3, p.101354, 2022.

    [21] B.K.Boyd,“CEO duality and firm performance:A contingency model,”Strategic management journal, vol.16, no.4, pp.301–312, 1995.

    [22] D.Harris, and C.E.Helfat, “CEO duality, succession, capabilities and agency theory: Commentary and research agenda,”Strategic Management Journal, vol.19, no.9, pp.901–904, 1998.

    [23] H.Quan,S.Li,C.Zeng,et al.,“Big data and AI-driven product design:A survey,”Applied Sciences, vol.13, no.16, p.9433, 2023.

    [24] M.M.John,H.H.Olsson,and J.Bosch,“Towards an AI-driven business development framework:A multi-case study,”J.Software:Evolution and Process, vol.35, no.6, p.e2432, 2023.

    [25] Y.R.Shrestha, S.M.Ben-Menahem, and G.Von Krogh, “Organizational decision-making structures in the age of artificial intelligence,”California Management Review, vol.61, no.4, pp.66–83, 2019.

    [26] Y.Zhuang, F.Wu, C.Chen,et al., “Challenges and opportunities: from big data to knowledge in AI 2.0,”Frontiers of Information Technology& Electronic Engineering, vol.18, pp.3–14, 2017.

    [27] Y.Himeur,M.Elnour,F.Fadli,et al.,“AI-big data analytics for building automation and management systems: a survey, actual challenges and future perspectives,”Artificial Intelligence Review, vol.56, no.6, pp.4929–5021, 2023.

    [28] V.Dulewicz, and M.Higgs, “Leadership at the top: The need for emotional intelligence in organizations,”The Int.J.Organizational Analysis, vol.11.no.3, pp.193–210, 2003.

    [29] F.-Y.Wang, “Parallel intelligence and parallel education: Outlook of smart education and intelligent teaching,”Modern Education Technology, vol.34, no.273, pp.5–16, 2024.

    [30] C.Pazzanese, “Ethical concerns mount as AI takes bigger decisionmaking role in more industries,”The Harvard Gazette.[Online], Available: https://news.harvard.edu/gazette/story/2020/10/ethicalconcerns-mount-as-ai-takes-bigger-decision-making-role/,Oct.26,2020.

    [31] J.Li, R.Qin, S.Guan,et al., “Blockchain intelligence: Intelligent blockchains for Web 3.0 and beyond,”IEEE Trans.Syst.Man Cybern,Syst., 2023, DOI:10.1109/TSMC.2023.3348449.

    [32] J.Li, J.Li, X.Wang,et al., “Multi-blockchain based data trading markets with novel pricing mechanisms,”IEEE/CAA J.Autom.Sinica,vol.10, no.12, pp.2222—2232, Dec.2023.

    [33] F.-Y.Wang, J.Yang, X.Wang,et al., “Chat with ChatGPT on Industry 5.0: Learning and decision-making for intelligent industries, ”IEEE/CAA J.Autom.Sinica, vol.10, no.4, pp.831—834, Apr.2023.

    [34] F.-Y.Wang, J.Li, R.Qin,et al., “ChatGPT for computational social systems: From conversational applications to human-oriented operating systems,”IEEE Trans.Comput.Soc.Syst., vol.10, no.2, pp.414–425,2023.

    [35] Y.Wang, M.Kang, Y.Liu,et al., “Can digital intelligence and cyberphysical-social systems achieve global food security and sustainability?”IEEE/CAA J.Autom.Sinica, vol.10, no.11, pp.2070—2080, 2023.

    中文字幕最新亚洲高清| 久久欧美精品欧美久久欧美| av中文乱码字幕在线| 日韩成人在线观看一区二区三区| videosex国产| 别揉我奶头~嗯~啊~动态视频| 国产精品永久免费网站| 日韩精品中文字幕看吧| 亚洲自拍偷在线| 国产免费现黄频在线看| 国产成人一区二区三区免费视频网站| 久久久久久久久中文| 欧美成人午夜精品| 一a级毛片在线观看| 天天添夜夜摸| 久久久精品国产亚洲av高清涩受| 免费一级毛片在线播放高清视频 | 亚洲午夜精品一区,二区,三区| 国产精品99久久99久久久不卡| 欧美最黄视频在线播放免费 | 伦理电影免费视频| 久久久国产成人精品二区 | 一级a爱视频在线免费观看| 成人永久免费在线观看视频| 亚洲专区字幕在线| 国产伦一二天堂av在线观看| 亚洲欧美日韩另类电影网站| 黄色成人免费大全| 亚洲熟女毛片儿| 欧美日韩黄片免| 久久欧美精品欧美久久欧美| 精品电影一区二区在线| 亚洲欧美日韩无卡精品| 亚洲片人在线观看| 另类亚洲欧美激情| 琪琪午夜伦伦电影理论片6080| 最近最新中文字幕大全免费视频| 国产熟女午夜一区二区三区| 男女高潮啪啪啪动态图| 变态另类成人亚洲欧美熟女 | 国内毛片毛片毛片毛片毛片| 美女 人体艺术 gogo| 亚洲色图综合在线观看| 国产麻豆69| 国产区一区二久久| 欧美性长视频在线观看| 无遮挡黄片免费观看| 俄罗斯特黄特色一大片| 欧美丝袜亚洲另类 | 最新在线观看一区二区三区| 9191精品国产免费久久| 亚洲国产毛片av蜜桃av| 69av精品久久久久久| 两人在一起打扑克的视频| 男男h啪啪无遮挡| 91大片在线观看| 女人爽到高潮嗷嗷叫在线视频| 波多野结衣一区麻豆| 亚洲片人在线观看| 少妇粗大呻吟视频| 麻豆久久精品国产亚洲av | 亚洲成av片中文字幕在线观看| 午夜免费观看网址| 亚洲第一av免费看| 一二三四社区在线视频社区8| 日韩 欧美 亚洲 中文字幕| 一级a爱片免费观看的视频| 丰满的人妻完整版| 国产精品日韩av在线免费观看 | 嫩草影视91久久| 亚洲精品一区av在线观看| 国产高清激情床上av| 亚洲,欧美精品.| 欧美激情极品国产一区二区三区| 女性生殖器流出的白浆| 人人妻,人人澡人人爽秒播| 亚洲欧美日韩无卡精品| 久久人人精品亚洲av| 亚洲,欧美精品.| 琪琪午夜伦伦电影理论片6080| а√天堂www在线а√下载| 69精品国产乱码久久久| 欧美中文日本在线观看视频| 人人妻人人添人人爽欧美一区卜| 精品卡一卡二卡四卡免费| 亚洲色图av天堂| 精品人妻1区二区| 亚洲免费av在线视频| av欧美777| 午夜福利免费观看在线| 涩涩av久久男人的天堂| 亚洲久久久国产精品| 久久中文字幕人妻熟女| 视频区欧美日本亚洲| 女性生殖器流出的白浆| 国产精品久久久久久人妻精品电影| 欧美精品一区二区免费开放| 日本三级黄在线观看| 在线国产一区二区在线| 欧美久久黑人一区二区| 亚洲av片天天在线观看| 在线观看66精品国产| 自线自在国产av| 久热这里只有精品99| 天堂中文最新版在线下载| 日韩视频一区二区在线观看| 日韩av在线大香蕉| 国产麻豆69| 精品高清国产在线一区| 咕卡用的链子| 成人国产一区最新在线观看| 天堂动漫精品| 色精品久久人妻99蜜桃| 久久久精品国产亚洲av高清涩受| 久久人人爽av亚洲精品天堂| 亚洲国产欧美网| 精品少妇一区二区三区视频日本电影| 日本欧美视频一区| 欧美黑人欧美精品刺激| 丝袜美腿诱惑在线| 麻豆国产av国片精品| 自拍欧美九色日韩亚洲蝌蚪91| 午夜久久久在线观看| 国产日韩一区二区三区精品不卡| 高清欧美精品videossex| 悠悠久久av| 少妇被粗大的猛进出69影院| 国产成人精品在线电影| 男人的好看免费观看在线视频 | 国产精品亚洲av一区麻豆| xxxhd国产人妻xxx| 曰老女人黄片| av中文乱码字幕在线| 91麻豆精品激情在线观看国产 | 亚洲自偷自拍图片 自拍| 纯流量卡能插随身wifi吗| 日韩欧美三级三区| 91av网站免费观看| 国产精品一区二区在线不卡| ponron亚洲| 99国产综合亚洲精品| 久久久国产一区二区| 麻豆成人av在线观看| 国产精品二区激情视频| 久久久久国产一级毛片高清牌| 麻豆成人av在线观看| 99在线人妻在线中文字幕| 女人精品久久久久毛片| 精品福利观看| 亚洲精品国产精品久久久不卡| 在线av久久热| 黄网站色视频无遮挡免费观看| 久久久水蜜桃国产精品网| 日本wwww免费看| 欧美国产精品va在线观看不卡| 国产av一区二区精品久久| 成人黄色视频免费在线看| 免费观看人在逋| 精品午夜福利视频在线观看一区| 麻豆久久精品国产亚洲av | 亚洲精品一卡2卡三卡4卡5卡| 91麻豆精品激情在线观看国产 | 一a级毛片在线观看| 久久九九热精品免费| 精品卡一卡二卡四卡免费| 在线观看一区二区三区| 久99久视频精品免费| 国产免费男女视频| 亚洲视频免费观看视频| av片东京热男人的天堂| 国产精品一区二区精品视频观看| 欧美日韩中文字幕国产精品一区二区三区 | 一区二区日韩欧美中文字幕| 欧美日韩视频精品一区| 亚洲自偷自拍图片 自拍| 亚洲精品一二三| 一进一出抽搐动态| 又黄又爽又免费观看的视频| 女生性感内裤真人,穿戴方法视频| 欧美黄色淫秽网站| 久久久久久免费高清国产稀缺| 视频区欧美日本亚洲| 校园春色视频在线观看| 神马国产精品三级电影在线观看 | 黑人巨大精品欧美一区二区mp4| 黄色视频不卡| 免费av中文字幕在线| 三上悠亚av全集在线观看| 黄频高清免费视频| 啦啦啦在线免费观看视频4| 国产精品久久久av美女十八| 别揉我奶头~嗯~啊~动态视频| 欧美人与性动交α欧美软件| 一二三四社区在线视频社区8| 久久精品国产99精品国产亚洲性色 | 免费一级毛片在线播放高清视频 | 亚洲黑人精品在线| 亚洲av片天天在线观看| www.999成人在线观看| 首页视频小说图片口味搜索| 老司机靠b影院| 国产一区二区三区综合在线观看| 高清毛片免费观看视频网站 | 亚洲,欧美精品.| 一个人免费在线观看的高清视频| 久久亚洲真实| 十分钟在线观看高清视频www| 午夜日韩欧美国产| 女人被躁到高潮嗷嗷叫费观| 亚洲精品美女久久久久99蜜臀| 老鸭窝网址在线观看| 成熟少妇高潮喷水视频| 亚洲一区二区三区不卡视频| 婷婷精品国产亚洲av在线| 90打野战视频偷拍视频| 亚洲成a人片在线一区二区| 亚洲午夜理论影院| 欧美人与性动交α欧美软件| 欧美日本亚洲视频在线播放| 亚洲精品久久成人aⅴ小说| 久久久精品欧美日韩精品| 极品人妻少妇av视频| 丝袜美足系列| 男人舔女人的私密视频| 人成视频在线观看免费观看| 美国免费a级毛片| 宅男免费午夜| 高清av免费在线| 少妇粗大呻吟视频| 国产精华一区二区三区| 水蜜桃什么品种好| 日韩视频一区二区在线观看| 级片在线观看| 色在线成人网| 性色av乱码一区二区三区2| 交换朋友夫妻互换小说| 国产精品影院久久| 人人妻人人爽人人添夜夜欢视频| 性少妇av在线| 热re99久久精品国产66热6| 日韩欧美免费精品| 精品国内亚洲2022精品成人| 他把我摸到了高潮在线观看| 亚洲第一欧美日韩一区二区三区| 国产av在哪里看| 超色免费av| 亚洲va日本ⅴa欧美va伊人久久| 老汉色av国产亚洲站长工具| 成人影院久久| 国产不卡一卡二| 欧美日韩一级在线毛片| 日韩中文字幕欧美一区二区| a级毛片在线看网站| 午夜日韩欧美国产| 亚洲成人免费av在线播放| 国产三级在线视频| 高潮久久久久久久久久久不卡| 国产乱人伦免费视频| 亚洲片人在线观看| 丝袜人妻中文字幕| 黄色a级毛片大全视频| 女同久久另类99精品国产91| 自线自在国产av| 成年人免费黄色播放视频| 99国产精品一区二区蜜桃av| 午夜久久久在线观看| 一级a爱视频在线免费观看| 88av欧美| 欧美日韩一级在线毛片| 91精品国产国语对白视频| 99久久人妻综合| а√天堂www在线а√下载| 久久伊人香网站| 动漫黄色视频在线观看| 久久香蕉国产精品| 亚洲免费av在线视频| a级毛片黄视频| 欧美激情 高清一区二区三区| 久99久视频精品免费| 91九色精品人成在线观看| 亚洲欧美日韩无卡精品| 一级,二级,三级黄色视频| 久久热在线av| 99久久久亚洲精品蜜臀av| 亚洲国产欧美一区二区综合| 日韩国内少妇激情av| 久久精品人人爽人人爽视色| 免费在线观看日本一区| 免费在线观看完整版高清| 精品久久久久久成人av| 亚洲成人精品中文字幕电影 | 天天添夜夜摸| 黄色a级毛片大全视频| 精品人妻在线不人妻| 欧美丝袜亚洲另类 | 精品国产美女av久久久久小说| 夜夜夜夜夜久久久久| 丝袜在线中文字幕| 99riav亚洲国产免费| 亚洲午夜精品一区,二区,三区| 亚洲人成77777在线视频| 免费在线观看日本一区| 91精品三级在线观看| 国产高清videossex| 国产成人系列免费观看| 亚洲免费av在线视频| 大型黄色视频在线免费观看| 亚洲一卡2卡3卡4卡5卡精品中文| 999精品在线视频| 午夜福利在线观看吧| 高清欧美精品videossex| 久久精品人人爽人人爽视色| 男男h啪啪无遮挡| 亚洲av成人av| 亚洲 欧美一区二区三区| 欧美午夜高清在线| 国产av一区在线观看免费| 国产成人系列免费观看| 中出人妻视频一区二区| 亚洲精品一区av在线观看| 99热国产这里只有精品6| 超碰97精品在线观看| 日韩大码丰满熟妇| 亚洲三区欧美一区| 国产精品偷伦视频观看了| 一级黄色大片毛片| 丝袜人妻中文字幕| 亚洲三区欧美一区| 成人手机av| 黑人巨大精品欧美一区二区mp4| 人成视频在线观看免费观看| 老司机在亚洲福利影院| 最近最新免费中文字幕在线| 欧美日韩瑟瑟在线播放| 日日干狠狠操夜夜爽| 韩国av一区二区三区四区| 视频区欧美日本亚洲| 国产激情欧美一区二区| 国产精品九九99| 淫妇啪啪啪对白视频| 18禁国产床啪视频网站| 久久影院123| 国产精品国产av在线观看| 成熟少妇高潮喷水视频| 国产主播在线观看一区二区| 男女高潮啪啪啪动态图| 国产91精品成人一区二区三区| 黑人猛操日本美女一级片| 在线观看免费视频网站a站| 精品日产1卡2卡| 在线视频色国产色| 狂野欧美激情性xxxx| 免费看a级黄色片| 日本撒尿小便嘘嘘汇集6| 亚洲av成人不卡在线观看播放网| 亚洲欧美激情综合另类| 亚洲伊人色综图| 18禁黄网站禁片午夜丰满| 夜夜看夜夜爽夜夜摸 | 在线观看免费高清a一片| 天堂√8在线中文| 淫妇啪啪啪对白视频| 亚洲av美国av| 亚洲色图综合在线观看| videosex国产| 一本综合久久免费| 欧美成人性av电影在线观看| 亚洲一区中文字幕在线| 久久精品91无色码中文字幕| 日韩中文字幕欧美一区二区| 亚洲色图 男人天堂 中文字幕| 超碰97精品在线观看| 如日韩欧美国产精品一区二区三区| 精品国产超薄肉色丝袜足j| 国产精品成人在线| 国产高清视频在线播放一区| 国产精品秋霞免费鲁丝片| 伊人久久大香线蕉亚洲五| 日韩有码中文字幕| 精品人妻1区二区| 国产亚洲欧美98| 亚洲少妇的诱惑av| aaaaa片日本免费| 乱人伦中国视频| 日本vs欧美在线观看视频| av中文乱码字幕在线| 两人在一起打扑克的视频| 亚洲成人免费av在线播放| 国产成人欧美在线观看| 欧美在线黄色| 国内久久婷婷六月综合欲色啪| 国产高清激情床上av| 丰满人妻熟妇乱又伦精品不卡| 久久精品国产清高在天天线| 国产在线精品亚洲第一网站| www.999成人在线观看| 精品国内亚洲2022精品成人| 精品久久久久久久毛片微露脸| 韩国av一区二区三区四区| 国内毛片毛片毛片毛片毛片| 久久久久久久久中文| 国产精品久久久av美女十八| 亚洲成人国产一区在线观看| 搡老岳熟女国产| а√天堂www在线а√下载| 亚洲欧美日韩高清在线视频| 人人妻,人人澡人人爽秒播| 国产精品偷伦视频观看了| 亚洲一区中文字幕在线| 久久久久久大精品| 亚洲欧洲精品一区二区精品久久久| 久久久久亚洲av毛片大全| 久久九九热精品免费| 岛国在线观看网站| 欧美日本中文国产一区发布| 精品日产1卡2卡| 日韩精品青青久久久久久| 久久久久九九精品影院| 成人永久免费在线观看视频| 女生性感内裤真人,穿戴方法视频| 高清在线国产一区| 久久国产乱子伦精品免费另类| 波多野结衣一区麻豆| 一二三四在线观看免费中文在| 免费观看人在逋| 国产成人精品久久二区二区免费| 亚洲,欧美精品.| 国产精品久久电影中文字幕| 女人高潮潮喷娇喘18禁视频| 久久香蕉激情| 一边摸一边做爽爽视频免费| 免费观看人在逋| 色综合婷婷激情| 久久中文字幕一级| 色老头精品视频在线观看| 免费看十八禁软件| 老司机靠b影院| 精品无人区乱码1区二区| 亚洲成人精品中文字幕电影 | 亚洲欧美精品综合一区二区三区| 欧美乱妇无乱码| 日本免费一区二区三区高清不卡 | 亚洲欧美一区二区三区久久| 亚洲国产精品一区二区三区在线| 女同久久另类99精品国产91| 操出白浆在线播放| 国产亚洲欧美精品永久| 国产免费av片在线观看野外av| 久久影院123| 国产黄a三级三级三级人| 黑人操中国人逼视频| 黄频高清免费视频| 国产亚洲av高清不卡| 久久香蕉激情| 天天躁狠狠躁夜夜躁狠狠躁| 欧美中文综合在线视频| 亚洲精品美女久久久久99蜜臀| 色综合婷婷激情| 亚洲av第一区精品v没综合| 97人妻天天添夜夜摸| 青草久久国产| 亚洲精品在线观看二区| www.精华液| 国产精品免费一区二区三区在线| 黄色a级毛片大全视频| 国产三级黄色录像| 欧美 亚洲 国产 日韩一| 亚洲国产欧美一区二区综合| 每晚都被弄得嗷嗷叫到高潮| 午夜免费成人在线视频| 老汉色∧v一级毛片| 日韩人妻精品一区2区三区| 久久 成人 亚洲| 午夜福利欧美成人| 久久久国产一区二区| a级毛片黄视频| 亚洲美女黄片视频| 在线av久久热| 精品久久久精品久久久| 欧美日韩乱码在线| 97人妻天天添夜夜摸| 久久精品成人免费网站| 久久久久久免费高清国产稀缺| a在线观看视频网站| 久久精品91蜜桃| 日韩有码中文字幕| 无遮挡黄片免费观看| av网站在线播放免费| 亚洲视频免费观看视频| 亚洲精品久久午夜乱码| 久久中文字幕一级| 好看av亚洲va欧美ⅴa在| 大型av网站在线播放| 亚洲欧美激情在线| 国产精品秋霞免费鲁丝片| 久久国产精品男人的天堂亚洲| av天堂久久9| 19禁男女啪啪无遮挡网站| 一级毛片精品| 最近最新中文字幕大全免费视频| 麻豆成人av在线观看| 亚洲人成电影免费在线| 精品一区二区三卡| 黄片播放在线免费| 久久久精品欧美日韩精品| 757午夜福利合集在线观看| 十八禁人妻一区二区| 午夜精品国产一区二区电影| 国产97色在线日韩免费| 欧美午夜高清在线| 真人做人爱边吃奶动态| 99国产精品一区二区蜜桃av| 亚洲精品国产区一区二| 国产97色在线日韩免费| 黄片小视频在线播放| 一区二区三区国产精品乱码| 亚洲一码二码三码区别大吗| 亚洲精品国产区一区二| 亚洲第一欧美日韩一区二区三区| 精品国产美女av久久久久小说| 99精品在免费线老司机午夜| 性色av乱码一区二区三区2| 亚洲欧美激情在线| av片东京热男人的天堂| 在线永久观看黄色视频| 一区二区三区国产精品乱码| a级毛片在线看网站| 亚洲成人久久性| x7x7x7水蜜桃| 国产精品影院久久| 免费在线观看黄色视频的| 免费在线观看日本一区| 国产精品国产高清国产av| 90打野战视频偷拍视频| 人妻丰满熟妇av一区二区三区| 久久亚洲精品不卡| 亚洲一区高清亚洲精品| 动漫黄色视频在线观看| 成人手机av| 丰满饥渴人妻一区二区三| 丝袜美腿诱惑在线| 男人操女人黄网站| 日本wwww免费看| 精品久久久久久,| 老司机福利观看| 精品少妇一区二区三区视频日本电影| 欧美在线一区亚洲| 777久久人妻少妇嫩草av网站| 久久天躁狠狠躁夜夜2o2o| 麻豆成人av在线观看| 99在线视频只有这里精品首页| 亚洲欧美日韩另类电影网站| 久久天躁狠狠躁夜夜2o2o| 亚洲欧美日韩另类电影网站| 高清毛片免费观看视频网站 | 99在线人妻在线中文字幕| 久久热在线av| 国产一区二区在线av高清观看| 一级毛片精品| 中文字幕另类日韩欧美亚洲嫩草| 免费在线观看视频国产中文字幕亚洲| av超薄肉色丝袜交足视频| 变态另类成人亚洲欧美熟女 | a在线观看视频网站| 日本黄色视频三级网站网址| 精品熟女少妇八av免费久了| 黑人巨大精品欧美一区二区蜜桃| 别揉我奶头~嗯~啊~动态视频| 欧美日韩亚洲高清精品| 久99久视频精品免费| 一边摸一边做爽爽视频免费| 午夜福利在线观看吧| 女同久久另类99精品国产91| 久久久久国内视频| 在线观看免费视频日本深夜| 在线观看免费日韩欧美大片| 精品国产亚洲在线| 久久香蕉激情| 欧美+亚洲+日韩+国产| 老司机午夜十八禁免费视频| 午夜免费成人在线视频| 两人在一起打扑克的视频| 亚洲美女黄片视频| av网站在线播放免费| 一进一出好大好爽视频| 成人18禁高潮啪啪吃奶动态图| 亚洲久久久国产精品| 久久 成人 亚洲| 极品教师在线免费播放| 色老头精品视频在线观看| 母亲3免费完整高清在线观看| 国产精品99久久99久久久不卡| 1024视频免费在线观看| 亚洲成人免费电影在线观看| 在线观看免费日韩欧美大片| 亚洲成人久久性| 色婷婷av一区二区三区视频| 亚洲欧美日韩无卡精品| 免费久久久久久久精品成人欧美视频| 一区福利在线观看| 精品一区二区三区av网在线观看| 一夜夜www| 丝袜在线中文字幕| 国内久久婷婷六月综合欲色啪| 国产精品自产拍在线观看55亚洲| 妹子高潮喷水视频| 成熟少妇高潮喷水视频| 久久久久久大精品| 久久久久久免费高清国产稀缺| 美女扒开内裤让男人捅视频| 成人亚洲精品一区在线观看| 麻豆成人av在线观看| 久久久久国产一级毛片高清牌| 五月开心婷婷网| 久久香蕉精品热|