—— 请按键盘 空白键 开始游戏 ——

The real challenge is not growing more, but growing better with fewer resources.
真正的挑战不是种得更多,而是用更少的资源种得更好。
The probability of a response is determined by its reinforcement history.
在采矿业,安全不仅仅是政策 - 它是个人问题。