We must be prepared to change the minds of our people and educate them to understand where do we want to take this country to, not through violence."

VOA: standard.2010.04.04

Whether you take the elevator to the top of the Hancock Tower or whether you walk up the stairs, the change in gravitational potential is identical.

不管你是乘电梯,去大厦的顶层,或者是步行，重力势能的变化是相同的。

麻省理工公开课 - 固态化学导论课程节选

I think, for example, in my own relationships,talks about my marriage, where I have to be vulnerable, I have to take a risk, where in fact I have to be willing to change my mind about my reading of the situation, based on my own fears and insecurities and anxieties.

举我自己的感情，我的婚姻作为例子吧，在婚姻中我会很脆弱，我必须冒险，而且，我必须愿意去改变自己,对当前状况的解读，不安全感和焦虑的影响而变得盲目。

普林斯顿公开课 - 人性课程节选

(Obama's Speech) In crafting the U.S.response to global climate change, the president said congressional lawmakers must take into account the real price of America's heavy reliance on petroleum-based energy.

VOA: standard.2010.06.14

But there's one other complication that you've got to be warned about, which is this. Because these are dialogues and they take the form of philosophical arguments, people put forward views and then, over the course of the discussion, change their minds about things.

但是,还有一个地方,我要提醒你们,那就是,由于这些是对话作品,且它们全都采用了哲学论证的形式,即,人们先提出观点,然后,在讨论的过程中,改变自己的关于事物想法

耶鲁公开课 - 死亡课程节选

It's just how much heat is involved when we change the temperature. Now, the products have some heat capacity associated with them right, it takes a certain amount of heat if we make their temperature change, to either put it in or take it away, depending on which direction the temperature is changing.

问题就是当我们改变温度时,有多少热量发生了转移,生成物具有一定的热容,如果我们改变,它们的温度，就要输入或,提取一定的热量,这取决于温度改变的方向。

麻省理工公开课 - 热力学与动力学课程节选