Natural language, speech, and voice are going to be fundamental to the changing UI, and we have to invest.

自然语言，演说，声音对于改变用户界面来说是最基本的，必须得到投资和发展。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

In the numbers game "Ui" can be two things.

在数字博弈中Ui代表这两件事

耶鲁公开课 - 博弈论课程节选

So Player i's payoff "Ui," depends on all the choices in the class, in this case, including her own choice. Of course, a shorter way of writing that would be "Ui," it depends on the profile.

参与人i的收益Ui,由所有参与人的策略决定,当然也包括她自己的策略,简写应该是Ui,它由策略组合决定

耶鲁公开课 - 博弈论课程节选