"The world is full of stories, but the ones that matter are the ones that change us."
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.
当我们保护海洋生物多样性时,我们最终是在保护自己的粮食安全。
成人必须给幼儿提供活动的空间。
Music has the power to bring people together in a way nothing else can.