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关于国家的名人名言哲理格言警句语录 - 每日文摘
国家
Every improvement in the circumstances of the society tends either directly or indirectly to raise the real rent of land, to increase the real wealth of the landlord, his power of purchasing the labour, or the produce of the labour of other people.
Trade between two countries can be mutually beneficial, even if one of them is less efficient in the production of all commodities.