For her the idea that birds have come from dinosaurs is just common knowledge and there's nothing surprising in that at all."

VOA: special.2009.12.01

So let me challenge you with this: inside of these curly braces where I have put a comment with slash slash -- a "comment" means nothing here gets compiled, it's just for the human to read.

让我用这个来挑战你们：,在这些花括号里面，我通过双斜杠写入了一个注释,-一条“注释“在这里不会被编译,它只是用来我们阅读的。

哈佛公开课 - 计算机科学课程节选

He seems to have been doing nothing but reading, acquiring more knowledge and really essentially just learning for the sake of learning.

他好像除了读书，掌握更多的知识以及,单纯学习之外什么也不做。

耶鲁公开课 - 弥尔顿课程节选

They have nothing. They are just hoping for something,". Asked about the security situation in Port-au-Prince, U.S.General Ken Keen noted that gang activity and lawlessness existed in Haiti before the earthquake.

VOA: standard.2010.01.18

There's a lag period where if I was just looking for antibodies nothing happens for a while.

这中间存在一段迟滞期,如果只过一会就进行观察,抗体的数量不会发生变化

耶鲁公开课 - 生物医学工程探索课程节选