This article introduces a concept of value function, which is a mapping from a commodity system, which has no comparability, to a comparable value system.
本文首先提出了价值函数的概念，它是把不具有直接可比性的商品投影到某个具有可比性的价值系统的影射。
I couldn't help but think that this kid never had been taught of the value of money, and of the concept of exchanging the money for something of comparable value.
我不由得想到肯定从未有人曾向这个孩子灌输金钱的价值以及应该用金钱来换取物有所值商品的观念。
I couldn't help but think that this kid never had been taught of the value of money, and of the concept of exchanging the money for something of comparable value.
我不由得想到肯定从未有人曾向这个孩子灌输金钱的价值以及应该用金钱来换取物有所值商品的观念。
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