—— 请按键盘 空白键 开始游戏 ——

The P versus NP problem is one of the most important problems in computer science.
For lovely eyes, seek out the good in people.
The future is not a gift. It is an achievement.
最激动人心的发现往往来自于质疑其他人认为理所当然的事情。
每座建筑都是一个原型。没有两座是相同的。