The real cost approach has been largely superseded by the opportunity cost approach to international trade.
实际成本说已基本上为国际贸易的机会成本说所取代。
Existing approaches to measuring opportunity cost are then contrasted with the options approach.
现有的方法来测量的机会成本进行对比与选择方法。
Opportunity cost measurement is an effective approach to reasonably and scientifically reflect the fair price of agricultural products.
基于机会成本的价格测算，是合理和科学反映农产品真实价格的有效途径。
Opportunity cost measurement is an effective approach to reasonably and scientifically reflect the fair price of agricultural products.
基于机会成本的价格测算，是合理和科学反映农产品真实价格的有效途径。
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