—— 请按键盘 空白键 开始游戏 ——

森林的真正价值不能仅用板材英尺来衡量。
The true value of a forest cannot be measured in board feet alone.
I don’t want to be better than anybody else. I just want to be better than I was yesterday.
Technology should serve people, not the other way around.
Good market design aligns individual incentives with social efficiency.