propensity to barter
英 美
交易的倾向
... 场外交易的 curbstone 交易的倾向 propensity to barter 无息交易的 f dealt in flat ...
As Adam Smith observed: "the propensity to truck, barter and exchange one thing for another is common to all men, and to be found in no other race of animals."
正如亚当·斯密指出的:以物易物,物物交换是人类共同的习性。这种习性,未曾在其他动物身上有所发现。