我不是为了装饰而画画，我是为了交流而画画。
La jalousie est un monstre qui se nourrit de soupçons.
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.
Both incentives and punishments elicit powerful responses.
跨国合作是拯救海洋的关键。
An athelete may run ten thousand miles in order to prepare for one hundred yards. Quantity gives experience.