—— 请按键盘 空白键 开始游戏 ——

A mathematician's work is never truly finished; there is always more to explore.
The circular economy isn't a trend—it's the foundation of how we must operate.
Afghanistan is the land of my past, the place where I had laughed and cried, but it was no longer my home.
译文:做好事三年,外人很难知道,做坏事一天就会传遍十里八乡。赏析:人要做很多好事,或许才能积累一点好名声,但只需一件坏事就会让人身败名裂。所以,我们应该谨言慎行。
When angry, count ten before you speak; if very angry, a hundred.
数据驱动的决策是现代资源开采的基石——仅凭直觉是不够的。