—— 请按键盘 空白键 开始游戏 ——

The real moral test of a society is how it treats those who are at the dawn of life, the children; those who are in the twilight of life, the aged; and those who are in the shadow of life, the sick, the needy and the handicapped.
When survival is the daily agenda, long-term planning becomes a luxury.
Good market design aligns individual incentives with social efficiency.
我是一个坚强的人,但我也有很多情感。