Suppose now--harder to imagine, but let's try it-- suppose now that you are an indignant angel and you're playing against, and you know this, you're playing against an evil git.

假设你是一个愤怒天使,我知道这个对你们来说很难,但你现在知道你要和,一个自私鬼博弈

耶鲁公开课 - 博弈论课程节选