- 问题详情:Tounderstandthemarketingconcept,itisonlynecessarytounderstandthedifferencebetweenmarketingandselling.Nottoomanyyearsago,mostindustriesconcentratedprimarilyontheefficientproductionofgoods,andthenreliedon"persuasivesalesmanship"tomoveasmuchoft...
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