—— 请按键盘 空白键 开始游戏 ——

Logic is the foundation of all mathematical reasoning.
The world is a place of chaos and confusion, and the only way to make sense of it is to find your own path through it.
We must balance economic growth with environmental responsibility; they are not mutually exclusive.
古人云:“欲工善其事,必先利其器。”要想把事情做好,首先必须要有便利的工具。