I will only do them on one condition, and that is I want to be able to teach you what the assumptions are that underlie the points in the derivation.

只在一个情况下我才会做，那就是要能够教会你们,假设是,构成了推导的基础。

麻省理工公开课 - 固态化学导论课程节选

He claims to have a certain kind of knowledge of what justice is, and claims to be able to teach it to others.

他声称拥有,某种解释正义的知识，并声称自己能向他人传授这种知识。

耶鲁公开课 - 政治哲学导论课程节选

And this is one of the times when you are actually going to be able to use some of that math they teach you.

这就是时候,用他们教你的,数学知识了。

麻省理工公开课 - 固态化学导论课程节选