This is on purpose, because one of the things I hope you have learned to do this semester, is look up things you don't know, and figure out what they do. What they mean.

我举这个程序是有目的的，因为我希望你们这续期能学到,如何去查找你不知道的东西并，且弄懂它,们是干什么的，是什么意思。

麻省理工公开课 - 计算机科学及编程导论课程节选

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

Well, I solve 2 or 3 exponential problems before breakfast every day. You know things like, how to find my way to the bathroom is inherently exponential, but I manage to solve it anyway.

你要知道如何找到,我的浴室就是一个，固有的指数型问题,但是我还是能解决它。

麻省理工公开课 - 计算机科学及编程导论课程节选

If I give you a function, you know how to take the derivative.

如果我给你一个函数,你就知道如何求导

耶鲁公开课 - 基础物理课程节选

This is the first full paragraph: I don't know how to cure the sourcitis, except to tell you that I can discover a good many possible sources myself for Wise Blood, but I am often embarrassed to find that I read the sources after I had written the book.

这是第一段的全文：,“我不知道如何解决资料来源的问题，只能告诉你,我自己发现了很多《慧血》的材料来源，但我经常觉得很难堪,因为我在完成了那本书后才读的资料。

耶鲁公开课 - 1945年后的美国小说课程节选