So, let's -- okay, so, why don't you all think about would happen -- we'll start with the thought exercise. You can switch back to my lecture notes then if this isn't going.

好吧，那你们想想会,发生什么，我们来想想,这个问题，如果那个不行的话,你可以转到我的讲义上来了。

麻省理工公开课 - 化学原理课程节选

I'm trying to remember.I think actually it's in the same key as Beethoven.

让我想想，我记得它的调性应该和那首贝多芬是一样的。

耶鲁公开课 - 聆听音乐课程节选

If the balance is negative though, think about what that would mean.

如果结果是负，想想那意味着什么。

耶鲁公开课 - 死亡课程节选

Think about what that means.

想想那意味着什么。

耶鲁公开课 - 死亡课程节选