So up to this point, before it was really established that yes, light is like a particle sometimes, there was this very strong distinction between what is light and what is matter.

所以关于这个观点，在它被真正确立之前，光有时候像粒子，在什么是光和什么是物质之间,有一个非常巨大的区别。

麻省理工公开课 - 化学原理课程节选

Interestingly enough, the percentage moves are not much different between cheap stocks and expensive stocks.

很有趣的是，百分比的移动量在便宜股票和贵股票之间,没有什么区别。

麻省理工公开课 - 计算机科学及编程导论课程节选

What caused--that's the-- I wanted to show you one city -I actually do a short comparison between a couple of cities -Los Angeles and Milwaukee.

原因是什么,我给你们看看一座城市,我在两座城市之间做了个简单比较,洛杉矶和密尔沃基

耶鲁公开课 - 金融市场课程节选

They tell us for instance that there is a difference between recognizing something in the sense that you could name it, and knowing what it is.

例如它们会让我们明白,在识别某物叫什么,与知道某物是什么之间,还是有所不同的

耶鲁公开课 - 心理学导论课程节选

Just suppose, for whatever reason, nobody could die between twelve and one.

只是假设，不管是因为什么原因，没有能在12点和1点之间死亡。

耶鲁公开课 - 死亡课程节选

What do you do in between?

在两者之间的这段时间你做些什么

耶鲁公开课 - 古希腊历史简介课程节选

> You said you'd make a space between if and the parenthesis; does that actually matter?

>，你说你在if和括号之间用了个空格;,那有什么影响吗？

哈佛公开课 - 计算机科学课程节选