I think the reason books are bigger and bigger but still carry the same information is that examples are more and more interesting.

我认为书越来越厚但是,所包含的信息仍然不变,原因就在于仅是例子越来越吸引人

耶鲁公开课 - 基础物理课程节选

Instead, what's difficult in Crane is a kind of compression in his writing.

实际上，克莱恩的诗难读的原因,是在于他的作品中过分简要的阐述。

耶鲁公开课 - 现代诗歌课程节选

And that was possible in smallpox because of a few characteristics of the disease: one is that it's a--it's purely a human disease, humans are the only organisms that are affected by it.

天花能够被根治的原因在于,这种疾病具有以下几个特点,一是,它是一种只有人类才得的疾病,人类是唯一受天花感染的生物

耶鲁公开课 - 生物医学工程探索课程节选

The fact that when you go in a circle, you accelerate is what we're learning here, coming from the fact that velocity is a vector and its change can be due to change in the magnitude or change in direction.

而当你做圆周运动时你也在加速,这是我们在这里所学到的,原因就在于,速度是一个矢量,其变化可以通过改变模长,或者方向来实现

耶鲁公开课 - 基础物理课程节选

The reason for pulling this out is, what you're going to see is, that in most languages, all right, Python comes built-in with something that will check your static, sorry, your syntax for you.

讲这些的原因在于，你们将要看到的是，在绝大部分语言中，好的，Python中带着一些,会检查你的static的东西，抱歉，是你的语法。

麻省理工公开课 - 计算机科学及编程导论课程节选