OK. So. Why did I do it? It's a simple example, I agree, but notice what I just did. It allowed me to highlight, is the code doing the right thing?

这是一个简单的例子，我同意，但是请注意我刚才是怎么做的,我通过它想要强调，代码是做了正确的？

麻省理工公开课 - 计算机科学及编程导论课程节选

And so, that simple fact is why we would expect animals to care for their children, because children are the means through which genes replicate.

所以，简单的事实是,我们为什么期待动物关心后代，因为后代是基因繁衍的方式。

耶鲁公开课 - 心理学导论课程节选

We'll talk about cells and how they work, how cells in different parts of the body are different, why, and how they contribute to tissues at a very sort of simple level so that you can understand this as we start thinking about using cells for engineering purposes.

我们将会谈论细胞,它们如何工作,身体不同的部位细胞有怎样的不同,为什么它们有所不同,以及这些细胞如何,以十分简单的方式形成组织,这样当我们开始考虑用细胞,来满足工程目的时,你会更容易理解

耶鲁公开课 - 生物医学工程探索课程节选

So, fairly simple idea, who knows why we actually care what the values of X or Y are at least in this out of context.

看，非常简单吧，天晓得为啥我们关心x和y的值,在这里我们只是断章取义罢了。

哈佛公开课 - 计算机科学课程节选