—— 请按键盘 空白键 开始游戏 ——

关于关系的名人名言哲理格言警句语录 - 每日文摘
关系
The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.