—— 请按键盘 空白键 开始游戏 ——

The past is a foreign country; they do things differently there.
The development of efficient algorithms is not just a theoretical exercise; it has practical implications for the way we live and work.
这些高墙还真是有点意思。一开始你恨它,然后你对它就习惯了。等相当的时间过去后,你还会依赖它。
I don't have to be perfect. I just have to try my best.