—— 请按键盘 空白键 开始游戏 ——

Sustainability is no longer an option—it's a necessity for any business that wants to thrive in the future.
The greatest stories are those that remain untold, hidden in the hearts of the people.
知道是贤人而不举荐,很危险;知道是善事而不表彰,很危险;知道他能干而不任用,很危险。
In mathematics, you don't understand things. You just get used to them.
若要优雅的姿态,走路时要记住行人不只你一个。