—— 请按键盘 空白键 开始游戏 ——

行人似乎永远没有意识到他们对于汽车的安全而言是一种威胁。
The future belongs to those who can harness energy wisely.
The most dangerous phrase in business is: "We've always done it this way."
A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.