Change is inevitable, but growth is optional.
变化是不可避免的,但成长是可选的。
不要放弃你的幻想。当幻想没有了以后,你还可以生存,但是你虽生犹死。
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.