I asked the wrong question. How many of you were not here last time?

我问得有问题,上节课有多少人没来啊

耶鲁公开课 - 博弈论课程节选

Now before I do that, I don't need the people at home to see this, but how many of you were here last time? How many of you were not.

在家看视频的人不必关心这个,上节课你们多少人来了,多少没来

耶鲁公开课 - 博弈论课程节选