The purpose of language is to communicate information.

VOA: special.2010.04.30

It happens to be better suited for manipulating strings than numbers, for example, but it's really a general-purpose language.

例如它恰好,处理字符串,比处理数字更有效率，但是它确实是一种面向面很广的语言。

麻省理工公开课 - 计算机科学及编程导论课程节选

And so you get to build your own special purpose programming language that helped you solve your problems in biology or finance or whatever,

你读过的类型都可以,所以你就可以让编程语言按照你的,特殊用途去解决你的生物学,财务或者任何类型的问题，

麻省理工公开课 - 计算机科学及编程导论课程节选

Content is a function -or let me say practical language, the purpose, in other words, of communicating facts or of communicating at all, which we associate with practical language -is a function of poetic language.

他们认为，内容即是功能,实用语言的目的，就是交流，我们总是把交流和实用语言联系,但其实它也是诗歌语言的功能。

耶鲁公开课 - 文学理论导论课程节选