So,we need to strengthen that foundation." The WMO chief says climate change is a global problem.

VOA: standard.2009.08.30

So we don't really need to put in a certain amount of heat and change the temperature of the products and the calorimeter and so on.

所以我们实际上并不需要输入,一定的热量，改变生成物,和量热计的温度之类。

麻省理工公开课 - 热力学与动力学课程节选

We need to change to a different business model so that we can come up with better technology, and the better search technology can be appreciated by the market.

公司要改变以往的商业模式,来促进新技术的研发，而且新技术,是受市场欢迎的。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

"So in order to find a lasting solution, we need change on both sides.

VOA: standard.2010.02.26

I believe that and why do we need to have it as a basic premise of the course, '?" as opposed to change is illusive?"

我相信这一点，但为什么我们需要把它,作为课程的基本前提，而不说'改变是虚幻的“

哈佛公开课 - 幸福课课程节选

Now the question is "how does it expand" and "why is it so difficult for us to understand, accept, assimilate and live according to the fact that we can make a difference, if we understand that what we need to understand is how change happens.

问题是“它如何扩大“,以及为什么我们难以理解，我们能够做出改变这个事实,并接受，被同化以及据此生活，如果我们能了解我们需要理解的,是改变如何发生。

哈佛公开课 - 幸福课课程节选