cost of goods purchased 基本例句 进货成本 It is show that if the retailer can depress the purchase cost of private brand products under the original wholesale price, the retailer can attack their competitor.研究结果发现,若零售商能压低其私有品牌产品的进货成本在原始的批发价之下时,零售商将有能力反击其竞争者。