—— 请按键盘 空白键 开始游戏 ——

If you don't know where you are going, any road will get you there.
我不是榜样,我是目标模型。
矿工的头盔不仅保护头部——它还象征着辛勤工作的尊严。
Mathematics is a conversation between the past and the future.
"Capitalism is the best system ever invented to lift people out of poverty."