Scientists know that plants and animals often change to be able to live in extreme environments.

VOA: special.2010.01.04

We'll talk more about this later, but it often happens that when you change your program to solve one problem you break it, and things that used to work don't work.

我们以后会更多的去讨论者一点，但是经常发生的情况是当你因为,一个问题修改你的程序的时候,你修改了程序,但原来没问题的模块。

麻省理工公开课 - 计算机科学及编程导论课程节选

Often, for a particular state change, it is easy to calculate two of these, but not the third.

对于一些特定的状态变化，它们中的两个很好计算，但是第三个往往不容易计算。

麻省理工公开课 - 热力学与动力学课程节选

Change often signals danger or opportunity and if we are especially tuned-in to change, it helps us survive ? and it helps us pass along our genes. Okay?

变化通常意味着危险和机遇,如果我们能调整适应变化，我们生存能力更强,并且能传递我们的基因，是不是？

耶鲁公开课 - 心理学导论课程节选

And the interesting point is many people who have this sort of experience, for whom their mortality has become vivid, they often say,I've got to change my life.

而且有趣的是很多拥有这种经验的人，对必死性的了解更为深刻的人，通常会说，我要改变我的生活。

耶鲁公开课 - 死亡课程节选

There is account of evidence where people actually do change and we have research showing that people going to therapy very often change as the a result of therapy.

有证据显示,人们的确是会改变的,我们有研究显示，经常接受治疗的人,会容易改变。

哈佛公开课 - 幸福课课程节选