—— 请按键盘 空白键 开始游戏 ——

仓库里没有积蓄备用的粮食,一旦遇到饥荒之年,就很难应付了。
We are standing on the shoulders of giants, but there is still so much more to discover.
Collaboration across borders is essential—no single nation holds all the answers to global food security.