A key goal,he says, is to get the economy back on track.

VOA: standard.2010.05.21

I get a key error. Because, remember, these things are not ordered.

程序会返回一个键错误，因此，记住字典里的元素是无序的。

麻省理工公开课 - 计算机科学及编程导论课程节选

And what do I do if I get a key error?

如果我得到了关键字错误该怎么办呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

But the modern world, to get back to that, to this Enlightenment world, individualism and a key aspect to that is hedonism.

但是回到现代社会,回到启蒙时期的世界,个人主义的关键在于享乐主义

耶鲁公开课 - 古希腊历史简介课程节选

Occasionally, you get things written in triple meter and in a minor key--minor key.

偶尔,有一些是由三拍子,和小调组成

耶鲁公开课 - 聆听音乐课程节选

If not I'll get a key error.

如果不在，我会得到一个关键字错误。

麻省理工公开课 - 计算机科学及编程导论课程节选