So, if you propagate that through the whole year, and you have the basic mastery of the concepts, 50 is a pass.

如果你一整年都在认真学，那你就可以掌握基本的概念,50分就可以通过。

麻省理工公开课 - 固态化学导论课程节选

I came here in 1992 And then I had a mini epiphany half way through my sophomore year.

我1992年来到哈佛求学2,大二期间，突然顿悟了。

哈佛公开课 - 幸福课课程节选