事實上，我不知道如果沒有數(shù)學(xué)我會做什么。
The truth is, I don't know what I would have done without mathematics.
不管你是不是我的粉絲，我還是會做我自己。
Energy independence is not just a goal; it's a necessity for national security.
我們必須擁抱新技術(shù)和新理念，否則將在快速變化的能源格局中落后。
What seems to us as bitter trials are often blessings in disguise.