但实际上，我们今天所知道的乐器是在20世纪20年代人们出于实用目的造出来、之后持续发展演变而成的。

But really the instrument we know today was the result of a continuing development that started for our practical purposes in the 1920s.

youdao

为了实用目的，你应该增加你的词汇。

For the practical aim, you should increase your vocabulary.

youdao

现在，所有实用目的，md设备就像任何其他分区。

Now, for all practical purposes, the md devices are just like any other partition.

youdao

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