—— 请按键盘 空白键 开始游戏 ——

Energy security is a crucial part of national strategic security, and we must firmly keep it in our own hands.
Profit without purpose is ultimately unsustainable.
The process of doing mathematics is more important than the result.
The key to successful trading is to know yourself.
最好的艺术是不解释自己的艺术。
The second half of the Internet is industrial Internet.