Now the question you'd need to ask yourself is how do you know this didn't happen to you last night?

现在你要问自己的问题是,你怎么知道,昨晚你没发生这样的事？

耶鲁公开课 - 死亡课程节选

I would ask you to see how such energy level diagrams rationalize what we know to be true.

我想问你，看看这种能级图,如何证实我们知道的是正确的。

麻省理工公开课 - 固态化学导论课程节选

When you ask for the investment rate, you want to know the truth-- how much am I really getting so they don't monkey around here.

当你问投资收益率时,你要知道,我到底能赚多少,所以他们不再偷懒

耶鲁公开课 - 金融市场课程节选

We don't know the time and we don't know how high it's rising so you can ask, "How am I supposed to deal with this problem?"

我们既不知道时间,又不知道最高点的高度,那你就会问了,这道题该怎么做呢

耶鲁公开课 - 基础物理课程节选