That subject, or, what is the same thing, the price of that subject, can afterwards, if necessary, put into motion a quantity of labour equal to that which had originally produced it.

那个商品，或者说是同一个东西，那个商品的价格，如果有必要，以后可以推动与最初生产它的劳动量相等的劳动量。

The far greater part of them are supplied by the produce of other men's labour, which he purchases with the produce, or, what is the same thing, with the price of the produce, of his own.

其中绝大部分是由其他人的劳动产品提供的，他用自己的产品，或者说是用他自己的产品的价格购买这些产品。

Those, therefore, who have the command of more food than they themselves can consume, are always willing to exchange the surplus, or, what is the same thing, the price of it, for gratifications of this other kind.

因此，那些掌握的食物量超过他们自己消费量的人，总是愿意用剩余的食物，或者说是食物的价格，来换取其他类型的满足。