They really don't.So, if everybody masters the material A I can say A's on the house.

他们真的不知道，如果每个人都掌握了知识,那么我敢说，人人可得。

麻省理工公开课 - 固态化学导论课程节选

So I like watching the old stuff and watching the masters' work.

我喜欢看以前的东西和大师们的作品。

学习制作动画 - SpeakingMax英语口语达人

I've asked them to give a brief presentation about the Masters of Applied Positive Psychology at U Penn, the only master degree, well the first master degree in the world-- there are a couple of others now.

我请他们简单介绍一下,宾州大学应用积极心理学硕士课程，唯一的硕士学位，世界上第一个硕士学位-,目前还有其他几个。

哈佛公开课 - 幸福课课程节选