—— 请按键盘 空白键 开始游戏 ——

The first time you share tea with a Balti, you are a stranger. The second time, you are an honored guest. The third time you become family.
We must balance immediate energy needs with long-term sustainability goals.
我们不是为了今天而建造,而是为了今天将如何被明天记住。
The P versus NP problem is one of the most important problems in computer science.