因为你们知道，我认为我们别无选择。

Because you see, I don't think we have a choice.

youdao

因为你们知道一对的能量。

Because you know the energy of one pair.

youdao

这里我不再强调，升华和蒸发，因为你们知道我要表达什么。

And I'm freely dropping the sublimation and the vaporization because we know that's what I mean here.

youdao

So it's on the elements on your left that are already known to be the lightest 'cause I did that.

现在已经知道在你们左边的元素,是最轻的，因为我已经比较过了。

哈佛公开课 - 计算机科学课程节选

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

You can go ahead and use that equation, or you could figure it out every time, because if you know the total number of nodes, and you know the angular node number, then you know how many nodes you're going to have left.

你们可以直接用这个方程，或者每次都自己算出来，因为如果你们知道了总的节点数，又知道角向节点数，就知道剩下的节点数是多少。

麻省理工公开课 - 化学原理课程节选