—— 请按键盘 空白键 开始游戏 ——

The boundary between inside and outside is not a line, but a gradient.
The interplay between discrete mathematics and computer science has been a fertile ground for innovation and discovery.
The function of education is to help us go beyond what is given, to transcend the immediate.
爱国英雄给民族带来光荣,专制暴君给民族带来灾难。