The first sentence in the argument was, if the people in the room choose random, then they will choose around 50. That's true.

第一句话是,如果教室里的人随机选择,那平均数会落在50左右,这很对

耶鲁公开课 - 博弈论课程节选

And I know that everybody in this room, first of all, belongs here.

我知道在这间教室的每个同学，首先，都属于这里。

麻省理工公开课 - 固态化学导论课程节选

Now, so there's probably a number of people in this room, so when I first started teaching this class 20 years ago, everybody in the room had had chickenpox.

现在,这间教室中的很多人也许,在二十年前,我第一次教这门课的时候,当时教室里的每个人都得过水痘

耶鲁公开课 - 生物医学工程探索课程节选