So it doesn't matter how big the dictionary is, you can instantaneously retrieve the value associated with the key. Extremely powerful.

因为你可以在线性时间，内得到想要的键对应的值,这太强大了。

麻省理工公开课 - 计算机科学及编程导论课程节选

the key to great relationships with clients is transparency and being really open,

与客户建立联系的最好方式就是透明化，相互坦诚，

正直是最好的 - SpeakingMax英语口语达人

Because if you did what I suggested with the list, the time to look up the key would be linear in the length of the list. You'd have to look at each element until you found the key.

字典是用一种很神奇的，叫做散列法的算法,来实现的，后面我们将,会学到一点关于。

麻省理工公开课 - 计算机科学及编程导论课程节选

But for all that, the key to the same person could have to do with the personality rather than the sameness of bodies.

但这个观点认为，成为同一个人的,关键是同样的人格,而不是同样的肉体。

耶鲁公开课 - 死亡课程节选

And the degree to which you can have experiences where you are being intimate with the natural world, is part of that sort of key to open the door to those transcended experiences and to the spiritual nature.

你会有一些与自然亲密接触的经历,你能从这些经历中感悟到多少，决定着,你能否打开通往超验和,神性的门。

普林斯顿公开课 - 人性课程节选

It's a secret number so that if Julius Caesar scrambled his message with the key 13, well, then the recipient had better know what that number is or realistically, -- and this is why it's kind of hard to buy -- into some of these age old algorithms, -- what would an alternative approach be to figuring out Julius Caesar's messages to his generals if he didn't know that secret number was 13?

它是一个机密的数字，以至于,如果凯撒大帝使用密钥13加密了它的消息，然后接收者最好知道那个数字是什么,实际上--这就是为什么很难,破解这些古老的算法-,有什么变换方法使凯撒大帝的将军,可以解密凯撒大帝的消息，如果他不知道,那个机密数字是13呢？

哈佛公开课 - 计算机科学课程节选

And if the knucklebone theory of personal identity gets proposed and somebody said, Oh,yes,but you see,that person now with that knucklebone will be you, because the key to personal identity is having the very same knucklebone.

如果个人认同感的指关节骨理论被提出，有人会说，你看，这个有着你指关节骨的人，就会成为你，因为指关节骨就是个人认同感的关键。

耶鲁公开课 - 死亡课程节选

Is there a key word like int or char double with which you can represent a 1024-bit value?

有一个像int，char，double这样的关键字,用来表示一个1024位大小的数值呢？

哈佛公开课 - 计算机科学课程节选