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.
世界上充满了神奇的事物，耐心地等待着我们的感官变得更加敏锐。
细胞的语言是用分子和力写成的。