—— 请按键盘 空白键 开始游戏 ——

Sustainability isn't an option—it's a necessity if we want to feed a growing population without destroying our planet.
可持续性不是一种选择,而是必须——如果我们想在养活不断增长的人口的同时不破坏地球的话。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
The essence of mathematics lies in its freedom.
好比有一百扇门而只关上一扇,那么盗贼怎么就会没有地方进去呢 
如果你希望永远不被批评,那就不要尝试任何新事物好了。