And if you look at this series, the series log of one, what is the series expansion?

如果你们看这个式子，它的对数分之一，它的指数是多少？

麻省理工公开课 - 固态化学导论课程节选

So in a moment you're going to go ahead and hit the spacebar and then as things fall from the screen when they line up with the left arrow, hit the left arrow with a different arrow, hit that arrow and see how good a score you can get.

一会儿你走到前面，敲一下空格键,当屏幕上面的东西从左边往下掉的时候,你就敲一下键盘上的左键,是哪个方向，敲对应的方向键就可以了,我们来看看你能得多少分。

哈佛公开课 - 计算机科学课程节选

What grade would you give yourself on that score?

你在这方面给自己打多少分呢？

普林斯顿公开课 - 国际座谈会课程节选