The world loved man when he smiled. The world became afraid of him when he laughed.

Every mathematical problem is a window into a new world of understanding.

世上只有一件事比被人议论更糟糕，那就是没有人议论你。

The magical number seven, plus or minus two: some limits on our capacity for processing information.

我们试图购买不受欢迎的股票。

海洋渔业是蓝色经济的重要组成部分，我们要在保护中开发，在开发中保护。