Now to make that happen, it's not adiabatic, right. If I wanted to do that, I'd need a heating element or something to cool, so I could make that temperature change happen, right.
要实现这点，它就不会是绝热的，对吧，如果我想做到这点，我需要一个加热元件或什么制冷的东西，这样我才能让温度变化。
But, I want to tell you, beyond all this excuses, if you really want to do something meaningful, make a change and you will make a difference. I have every confidence in all of you!
但是我想告诉你，越过这些借口，如果你真的想做一些有意义的事的话，那么做一个改变，你的生活将与众不同！
Driven by these insecurities, I decided I was going to find something to do in Harvard that was serious and meaningful that would change the world and make it a better place.
在不自信的下，我决定要在哈佛找到严肃而有意义的事情，来改变世界，让世界更美好。
Driven by these insecurities, I decided I was going to find something to do in Harvard that was serious and meaningful that would change the world and make it a better place.
在不自信的下，我决定要在哈佛找到严肃而有意义的事情，来改变世界，让世界更美好。
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