In international trade, a country should specialize in the production of goods for which it has a comparative advantage, and trade with other nations to maximize overall economic welfare.

真正的领导力是关于在今天做出艰难的决定，以创造更美好的明天。

如果自己道德高尚，就不会被外界不正的东西所迷惑。

I was so much older then, I’m younger than that now.