Silence can sometimes be more powerful than words.

检验统计假设的问题是科学方法整体问题的一个组成部分。

The pure work implies the disappearance of the poet as speaker.

We must invest in our people as much as we invest in our technology.

Sustainable infrastructure should balance economic, social and environmental benefits.

He who is content is always happy; endless desires never find satisfaction.

生命短暂，让它甜美。