—— 请按键盘 空白键 开始游戏 ——

The most sustainable forest is one that provides value to people while maintaining its ecological integrity.
The challenge is to create harmony between the built environment and the natural world.
永远要黑白分明、百折不回。你的诚信必须要毋庸置疑。当一个人不需要付出代价或承担后果的时候,坚持做正确的事情并非难事。但当必须得放弃一些东西时,你就很难保持信用记录。要始终言而有信,不要为了自己的利益误导任何人。
The pursuit of mathematical knowledge is a journey that never ends.