What's the complexity? I haven't talked to the side of the room in a while, actually I have.

我这里没有讲过这些,其实是有啦，这位同学帮我讲出来了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Duh!" of course, is our response, and yet at the same time we can't understand a degree of mystery in even so seemingly simple a pronouncement. A beginning, of course--well, it has to have a beginning.

我们肯定要说：“废话！这不是明摆着的么！“，但同时,我们并不能深刻理解这样一个看似浅显的观点,起因，当然啦，一个故事总要有个开头。

耶鲁公开课 - 文学理论导论课程节选

Everybody's got the sheet there and what I would like to do is just have everyone, all of this--We'll just sing "La" Here. We won't sing the text.

每个人都有一张,我想做的就是让每个人,大家只唱,啦,不用唱歌词

耶鲁公开课 - 聆听音乐课程节选

There are so many synonyms for these things.

当然有很多同义词啦。

哈佛公开课 - 计算机科学课程节选