Kevin Kelleher提供了一种很有意思的比较语言的方法：用解决了的问题来描述该语言。

Kevin Kelleher suggested an interesting way to compare programming languages: to describe each in terms of the problem it fixes.

youdao

现在，如果你在对不同的语言进行比较，你会发现它们有很多共同点。

Now, if you are comparing different languages, and you notice that they have a lot in common.

youdao

但历史语言学的一个分支，涉及到几种不同语言的比较，或同一种语言不同阶段的比较。

But the branch of historical linguistics, involves the comparison of several different languages, or the comparison of different stages of a single language.

youdao

And there's a lot to be said about this but it could be pretty simply illustrated in language.

要想解释清这一点还是比较费劲的,但要用语言来说明就很简单了

耶鲁公开课 - 心理学导论课程节选

Second dimension is, whether this is a general versus a targeted language.

第二个维度是，这个语言的目标群体,是比较大众还是有特定面向群体的。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's like the part of the brain that's responsible for language learning is only around early in development and if you don't get your language by then it'll just run out.

就好像负责语言学习的大脑区域,只是在发展的早期比较活跃,如果你没有在这个时候获得语言,那你就没有机会了

耶鲁公开课 - 心理学导论课程节选