—— 请按键盘 空白键 开始游戏 ——

凡事要有节制,一生便不会因不恰当的行为而蒙受羞耻。
The universe speaks in equations and reactions.
The concept of law is essentially a matter of social fact.
想要制服洋人的祸患,必先熟悉洋人的国情。