教育是打开自由之门的金钥匙。

我不是时尚人士。我是反时尚的。

Natural gas is a versatile fuel that can support renewable energy growth by providing reliability when the sun isn't shining and the wind isn't blowing.

I don't want to be like everyone else, I want to be like me.

We must balance economic growth with environmental responsibility.

反馈的研究就是自我调节系统的研究。

有时最难的案子是那些离家最近的。