—— 请按键盘 空白键 开始游戏 ——

实现梦想的唯一方法是每天努力工作。
The only way to achieve your dreams is to work hard every day.
如果让鼻子挡住了,该怎么做俯卧撑呢?
The arithmetic of algebraic varieties is a window into the hidden structures of mathematics.