—— 请按键盘 空白键 开始游戏 ——

真正的挑战不仅是要养活世界,而且要以可持续的方式滋养它。#
The real challenge is not just to feed the world, but to nourish it in a sustainable way.
"Humor is the best way to connect with kids."
The best mathematics is that which you do not understand at first glance.