The researchers wanted to understand the difference between normal shyness and true gelotophobia.

VOA: special.2009.11.17

This will be important to try and understand the French revolution, La Revolution francaise, that there's a difference between absolutism and despotism.

这个观点对于尝试理解法国大革命很重要,绝对主义和专制主义是有区别的

耶鲁公开课 - 欧洲文明课程节选

But you see the difference. Great question, and a very important thing to understand, and that's why I'm belaboring this point, since this is where people tend to get pretty confused, and this is why mutation is very important to understand. Yeah.

但是你们已经发现区别了，这问题挺好的，并且有重要的一点需要我们去注意的是，人们经常对可变性这一点感到很迷惑，但是可变性是很重要的,我们需要理解它,这也是我经常强调这一点的原因。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now the question is "how does it expand" and "why is it so difficult for us to understand, accept, assimilate and live according to the fact that we can make a difference, if we understand that what we need to understand is how change happens.

问题是“它如何扩大“,以及为什么我们难以理解，我们能够做出改变这个事实,并接受，被同化以及据此生活，如果我们能了解我们需要理解的,是改变如何发生。

哈佛公开课 - 幸福课课程节选