How many changes of the constituent parts can you ? have and still be the same hunk of stuff?

要保持是同一辆车,最多可以换多少部件？

耶鲁公开课 - 死亡课程节选

And along the way it changes many, many times as it goes from Greenwich Village up into Harlem.

从格林威治村延伸到哈莱姆的一路上，大道发生了许许多多的变化。

第五大道的另一面 - SpeakingMax英语口语达人

There have been many changes in our mortgage institutions that might be part of the reason for the boom in home prices.

我们的抵押机构,已经发生了许多变化,这些变化可能是,房价高涨的部分原因

耶鲁公开课 - 金融市场课程节选

How many moles of gas are there in each case, in reactants and products? If that changes, of course you know that the pressure in there is going to change at constant volume if the amount of gas in there is changing.

在反应物和生成物中，各有多少摩尔的气体？,如果它发生了变化,当然在等体条件下，如果气体的总量,发生了变化，压强也会发生变化。

麻省理工公开课 - 热力学与动力学课程节选

But it's all different degrees of terrible, if you will, because so many people in the population share that biological vulnerability and when the environment changes, we have the problems.

只要愿意,这造成的恐慌程度是不同的,因为在人群中有很多这样的群体,他们都有这种生物易损性,当环境发生变化时,就会出现问题

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And finally, and most important-- these others have been pretty straightforward-- but what has not been straightforward is something that you might listen to many, many times and not be aware of, and that is chord changes.

最后,也是最重要的途径,上述的三种途径都非常直截了当,不过也有些不那么直接的东西,即使你听了成千上百遍,也不一定会注意到的是和弦的变化

耶鲁公开课 - 聆听音乐课程节选

This was in the early 1970s when many schools were going through remarkable changes.

那是在上世纪70年代早期,当时很多学校都在经历巨大的变化。

普林斯顿公开课 - 人性课程节选

And once he did that, both he and many other scientists, could then, once they understood what caused the fluorescence, make little changes to the actual protein, and tune what the properties of that fluorescent protein were.

而且一旦他做成了这个，一旦他们弄清楚了是什么导致萤光，他和其它很多科学家，就可以对蛋白质做微小的改变，调节蛋白质的荧光性质。

麻省理工公开课 - 化学原理课程节选

We establish these targets, we review them once a year, we don't make changes in many years, they're quite stable, and when we do move them we don't move them by a lot.

我们设定了这些资产配置,每年都会评估一次,这些指标已经很多年没有变过了,十分稳定,即使我们要调整,也不会有很大幅度

耶鲁公开课 - 金融市场课程节选