—— 请按键盘 空白键 开始游戏 ——

自由不是给予的,而是夺取的。
Intelligent transformation must be practical and not blindly follow trends.
The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.
每一本书都是一次旅程,每一次旅程都是一本书。