value in exchange的意思|示意

The principle of equal-value exchange, which stresses equal value in exchange, is a common law in commercial and economic activities.

等价交换原则是商品经济活动领域通行的原则，强调交换的等价性。

Fiat money has not only no particular value in use, it doesn't even really have a value in exchange except that which is decreed that it would have.

名义货币不仅仅没有什么特别的价值，而且在商品的交换中它本身根本没有价值。它拥有的只是法律所赋予它的价值。

From this analysis came the concepts value in use and value in exchange.

从这种分析中产生了使用价值和交换价值等概念。