我们喜欢把我们不知道的东西和我们知道的东西进行比较。

We like to group those things we don't know by comparing them with the things we know.

youdao

而我们知道的是他们完全无动于衷。

And we know they did absolutely nothing about it.

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有时候我们知道的太多了。

Sometimes we just know too much.

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That is to say for many, many, many people literary theory had something to do with the end of civilization as we know it.

这就是说对于很多很多人来说,文学理论与,我们所知道的文明的结束有些关联。

耶鲁公开课 - 文学理论导论课程节选

If I know about the states involved, I just need to know what the volume was in each of them.

我们并不需要知道一条特定过程的路径，如果我们知道所涉及的态,我仅仅需要知道这些态的体积。

麻省理工公开课 - 热力学与动力学课程节选

So, doing those probability density dot graphs, we can get an idea of the shape of those orbitals, we know that they're spherically symmetrical.

概率密度点图上,我们可以对这些轨道的形状，有个大概了解,我们知道它们是球，对称的,我们今天不讲。

麻省理工公开课 - 化学原理课程节选