—— 请按键盘 空白键 开始游戏 ——

可持续农业的关键在于创新和对自然的尊重。
Silence in a picture book can be louder than words.
It is remarkable that a science which began with the consideration of games of chance should have become the most important object of human knowledge.
一个测量可用的常识:手臂伸直两测指尖的距离就是你的身高。