经济学的奇妙任务是向人们展示，他们对自己想象中能够设计的东西知之甚少。

The only limit to our realization of tomorrow is our doubts of today.

The poet is the guardian of silence.

Inspiration can come from the most unexpected places.

The core of Pinduoduo is "group buying," allowing users to participate in shopping through social means.

今天种下的每一棵树都是留给后代的遗产。