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当我们谈论一个词的“意义”时,首先我们在谈论一种特定的行为。
了解你是否能信任某人的最好方法就是信任他们。
我们不能忽视煤炭的经济作用,但也不能忽视其环境影响。
The future belongs to those who can make leather without leaving scars—on the earth or its people.
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.