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国际贸易能够创造互惠互利的局面。
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.
My greatest anxiety arises from the apprehension that I shall not be able to complete the work I have undertaken in the manner I wish.
过去不是静止的。它随着我们移动和变化。
城市的穷人就像树的根:看不见,但对生存至关重要。