—— 请按键盘 空白键 开始游戏 ——

林业领导力需要耐心——就像我们管理的树木一样,真正的影响是随着时间的推移而增长的。
"You don't have to burn books to destroy a culture. Just get people to stop reading them."
The study of automorphic forms is a testament to the power of symmetry in mathematics.