Nobody knows, but there's a theory which won't answer your question but will put it into a broader context.

没有人知道答案,但有这么个理论,它无法回答你的问题,但却能让你从更宽广的视角来看这个问题

耶鲁公开课 - 心理学导论课程节选

Here's a twist, and if you found people who were less wonderful than you all, and asked them, you'd get a lot of people saying the curving thing.

这是错误的,如果你去找一些没有你们优秀的人,问他们这个问题,很多人会回答你沿着曲线飞出

耶鲁公开课 - 心理学导论课程节选

But nobody is going to be very comfortable, if comfortable at all.

但是没有人会对回答感到非常满意,如果有满意存在的话

耶鲁公开课 - 古希腊历史简介课程节选

Cold call somebody who hasn't got their hand up.

你去找一个没有举手的人回答

耶鲁公开课 - 博弈论课程节选