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I like to be a free spirit. Some don’t like that, but that’s the way I am.
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.
The past is a story we tell ourselves about ourselves.
可持续性不仅仅是一个流行词;它是负责任的采矿的基础。