我是一个幸存者，我不会放弃，我不会停止，我会更加努力。

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.

跨学科合作往往孕育最激动人心的突破。

现在是过去卷起准备行动，过去是现在展开以便理解。