It means anybody using that little function get float doesn't have to worry about what's inside of it. So for example, I decide I want to change the message I print out, I don't have to change the function, I just pass in a different parameter.

这代表着用这个方法去获得浮点数,的任何人都不用担心具体的实现了,例如，如果我想改变下,显示的信息的话，我不必去改变方法，我传个不同的参数就可以了。

麻省理工公开课 - 计算机科学及编程导论课程节选

And going into a different school, where all of the dynamics changed was probably one of the best and most exciting,

去一个不同的学校，所有的动力都改变了，这或许是最好和最令人兴奋的事情之一。

在学校的时光 - SpeakingMax英语口语达人

If you change the composition, you change the properties. But this is different.

如果你改变组成成分，你就能改变属性，但是这是不同的。

麻省理工公开课 - 固态化学导论课程节选

A baby will form his mouth differently depending on what he's sucking on.

婴儿会因为吸吮物体的不同,而改变他的嘴型

耶鲁公开课 - 心理学导论课程节选

On the one hand, it could be that certain facts, if you knew them, would cause you to behave differently without actually giving you any reason to behave differently.

一方面，可能有某些事实，如果你知道了它们，会导致你的行为不同,但并没有真正地给你改变行为的理由。

耶鲁公开课 - 死亡课程节选

So we've got four chords operating here and they're changing regularly.

这一段作曲家一共调用4个不同的和弦，它们不断有规则地改变。

耶鲁公开课 - 聆听音乐课程节选

The interesting thing is that through time, as political winds change, these taxes have changed and they've gone up to some very high levels in the past in the United States and other countries.

有趣的是在不同时期,如果政策方向有所转变,税率也会改变,在过去的美国和其他国家,税率曾经相当高

耶鲁公开课 - 金融市场课程节选

But I want to go back there because what I want to do now is, I want to change some critical assumptions of that model and see that by making those changes, we're going to get some very different outcomes.

但我回来的原因是,我想改变一些模型的关键假设,并看看通过这些改变,我们将得到何种不同的结果

耶鲁公开课 - 博弈论课程节选

I want to make one other point before we launch into that, and that is the following: that composers use the rate of harmonic change-- whether it's changing or not changing-- to sort of make us feel different ways about the music that we are listening to.

在此之前我还要说一个问题，不管和声有没有改变，作曲家都能通过和声改变的频率-,让我们对所听的音乐有不同的感受-,它能让我们感受到这段音乐。

耶鲁公开课 - 聆听音乐课程节选