股票市场充满了知道一切价格但不知道任何价值的人。

The streets were dark with something more than night.

Architecture is a social art; it must serve the community.

Natural experiments are a powerful tool for understanding causal relationships in the real world.

我生来就是为了赢，但为了赢，我必须计划不输。

任何经济体中最重要的资源是其人民的才能。