—— 请按键盘 空白键 开始游戏 ——

We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil.
生活中最鼓舞人心的事,莫过于看到一个人拥有正当合法的抱负,哪怕这抱负还很幼稚。