Economics is at its best when it helps us solve real-world problems in a rigorous and transparent way.

音乐是一种不关乎世界的知识形式，它本身就是一个世界，有自己的规则和真理。

跨越国界和学科的合作是应对全球健康挑战的唯一途径。

The merit of Marx is that he suddenly produces a qualitative change in the history of social thought. He interprets history, understands its dynamic, predicts the future, but in addition to predicting it, he expresses a revolutionary concept: the world must not only be interpreted, it must be transformed.

计算的力量不仅在于解决问题，还在于其解决问题的优雅和效率。