—— 请按键盘 空白键 开始游戏 ——

The development of computational complexity theory has shown us that not all problems are created equal.
计算复杂性理论的发展向我们展示了并非所有问题都是平等的。
悬念是可怕的。我希望它一直延续下去。
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.