So, if you by chance, I know it's very rare, but if by chance you don't get the class you can always follow up later.

如果你们偶然，我知道不太可能，但是如果不小心你们错过了某节课,你们就可以在之后补回来了。

麻省理工公开课 - 固态化学导论课程节选

I want it or I disapprove of it and, lo and behold, it's no longer aesthetic. I'll come back to that in a moment, but I hope you can see that that is a distinction between the purposive and the purposeful.

我会产生想法，比如想得到它还是觉得它恶心，你瞧，这样一来就不只是纯审美问题了，我一会儿再回来讲，但是我希望你们现在可以区分,“合目的性“和“目的性“这两个概念了，它们是有区别的。

耶鲁公开课 - 文学理论导论课程节选