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.
我们感受到的每一种感觉都是复杂分子机制的结果。
我们海洋的健康就是我们星球的健康。
我可以接受失败,每个人都会在某些事情上失败。但我不能接受不去尝试。