—— 请按键盘 空白键 开始游戏 ——

The P versus NP problem is one of the most important unsolved problems in computer science.
The flower is the star, the star is the flower.
我国文化的弊端在于既不完全是中国传统,也不完全是西方现代,要纠正这一弊端,必须贯通中西,融合古今才能成功。
Liberty means responsibility. That is why most men dread it.