—— 请按键盘 空白键 开始游戏 ——

Never underestimate the power of hard work and perseverance.
Every mathematical problem is a puzzle waiting to be solved, and every solution is a step closer to understanding the fabric of reality.
你无法回到过去改变开头,但你可以从现在开始改变结局。
每当一座煤电厂关闭,美国的一部分心脏也随之关闭。