—— 请按键盘 空白键 开始游戏 ——

解释:货卖完了才知道不足,是由于不懂得计量;事情结束了才知道有余,是由于不懂得调节。
The most elegant proofs are those that reveal the heart of the problem with clarity.
The deterioration of every government begins with the decay of the principles on which it was founded.
感谢音乐让我的人生充满意义。