—— 请按键盘 空白键 开始游戏 ——

I don't think about age. I think about spirit. I think about how I feel inside.
数学的研究就像空气或重力——它无处不在,即使你看不到它。
The only way to do great work is to love what you do.
The future of energy lies in balancing immediate needs with long-term environmental goals.
今天的过度捕捞是在窃取后代的资源。