We could certainly implement this much more efficiently by just writing this one line of code, but, again, the key here is to take this step toward decomposing our code into chunks of code.

我们可以写这一行代码,使代码的执行更有效率，但是，这个关键字用来把我们的代码分解,成一段段的。

哈佛公开课 - 计算机科学课程节选

So it`s sort of a key issue for children and for adults actually to make sure that When we use a software that has more than one language it has to be completely in each language.

所以无论对成人还是儿童来说,这都是关键问题,当我们使用一款宣称拥有多语种的软件时,必须确保它的每一种语言都是完整的。

麻省理工公开课 - 媒体、教育、市场课程节选

having more capital, standing for a set of values is a key part of our power.

拥有更多资产，坚持价值观,是力量的关键。

普林斯顿公开课 - 国际座谈会课程节选

If every time you got a new memory, you had a new personality, and the personality theory said having the very same personality was the key to survival that none of us survive more than a few seconds.

如果每次有了新记忆，有了新的人格特性，根据人格论,只有同样的人格才是活下去的关键,那么我们只能活几秒钟了。

耶鲁公开课 - 死亡课程节选