I'm not a politician, I'm a performance artist.

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.

每一本书都是一次旅程，每一次旅程都改变我们。

Sustainable development is not a slogan but a concept that must be practiced. We must keep the land forever vibrant.

在科学中，合作至关重要——没有人能独自完成。

我是一个喜欢被注意到的人。