—— 请按键盘 空白键 开始游戏 ——

Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.
"Collaboration is the key to unlocking the mysteries of the universe."
The most important thing in communication is hearing what isn’t said.
埃尔德什差异问题让我着迷,因为它陈述起来如此简单,但含义却如此深刻。