而且考虑到毛利润只计入了直接生产成本，却排除了销售、流通、管理及财务费用，因此实际利润增长率还要小的多。
But gross margins take account only of the direct costs of production; they exclude selling, distribution, administrative and financial costs, which have all risen more slowly.
商品的批发价格低于零售价格，即存在着批零差价，其差额由零售企业所耗费的流通费用、税金和利润构成。
Wholesale price less than the retail commodity price, that there are wholesale and retail price difference, the difference is spent by the flow of retail business costs, taxes and profits composition.
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