This is on purpose, because one of the things I hope you have learned to do this semester, is look up things you don't know, and figure out what they do. What they mean.

我举这个程序是有目的的，因为我希望你们这续期能学到,如何去查找你不知道的东西并，且弄懂它,们是干什么的，是什么意思。

麻省理工公开课 - 计算机科学及编程导论课程节选

And that you're capable of offering something to them and to the conversation.

你能够为他们或者为你们的谈话贡献些东西。

I'm good at 课堂 - SpeakingMax英语口语达人