mass marketing短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 大规模销售 Firstly from the operator itself, the writer thinks that why is the health protection products business not successful or not in mass marketing?The operators should seek the reason from themselves. 首先笔者从经营者自身出发，认为保健品做不成，做不大，经营者要在自己身上找问题。 jpxxw