We are all searching for something, whether we admit it or not, and that search defines us.

气候研究不仅是一个科学问题，也是一个社会问题。

The study of mathematics is the indispensable basis for all intellectual and spiritual progress.

当领导者学习时，他们比教学时更具榜样力量。

计算机能否思考的问题就像潜艇能否游泳的问题。