所有语言都有两种基本的用法——正式用法和通俗用法。

All languages have two general levels of usage—a formal level and an informal level.

youdao

在当今世界上存在的所有语言中，肯定有已经发展多年的复杂性。

In all the languages existing in the world today, there are complexities that must have been developed for years.

youdao

人们认为描述性语法的语法专家们不在意标准，因为他们认为所有语言用法都同样有效。

Descriptive grammarians have been presented as people who do not care about standards, because of the way they see all forms of usage as equally valid.

youdao

The sounds of sense are all part of language in use, which people are using to do things with.

理性的声音是蕴含在所有的在运用的语言中，人们这样来处理事情。

耶鲁公开课 - 现代诗歌课程节选

It could be, for instance, that language is such a good idea that every culture comes across it and develops it.

比如说,可能只是因为,语言是一个非常棒的创新,所有文化都接受了它,并且发展了它

耶鲁公开课 - 心理学导论课程节选

See, to be honest even though it might feel like a whole of new stuff at once, it's a pretty small language and so we've almost seen all of the syntactic features thus far so now we'll be able to start focusing more on concepts.

瞧，即使它感觉好像一个新的东西,它是一种相当小的语言,我们迄今看到的几乎所有的语法特征,现在我们将把重点放在概念上。

哈佛公开课 - 计算机科学课程节选