But, you know, any professor who stands before you should say the same thing about his or her subject. If they don't believe that, they shouldn't be teaching.

但是，你知道，所有站在你们面前的老师,可能都会这样介绍他的课程,如果他们不那样相信着，那他们就不应该教那门课了。

麻省理工公开课 - 固态化学导论课程节选

the easier it comes when you are standing in front of people and you have to express yourself,

你会发现，当你站在一群人面前，得表达自己观点的时候，一切会变得更容易，

英语写作：技巧 - SpeakingMax英语口语达人