The curve for satisfaction degree of commodity exchange has been drawn out with S (surplus volume of exchange) and M( the satisfaction degree of exchange).
文中利用交换剩余S量化交换满意程度M，得到商品交换满意程度曲线。
The curve for satisfaction degree of commodity exchange has been drawn out with S (surplus volume of exchange) and M( the satisfaction degree of exchange).
文中利用交换剩余S量化交换满意程度M，得到商品交换满意程度曲线。
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