In the long run, the price of any given commodity should revert to the cost of producing an incremental unit of supply.
最后，任何给定农产品和矿产品的价格都应该回归到供给增加任何一单位生产的成本。
In the long run, the price of any given commodity should revert to the cost of producing an incremental unit of supply.
最后，任何给定农产品和矿产品的价格都应该回归到供给增加任何一单位生产的成本。
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