In theory, only those customers likely to buy were targeted with marketing activity, reducing costs and increasing marketing efficiency.

从理论上来讲，市场营销只会面向潜在客户群，以此降低成本、增加营销效率。

youdao

In theory, only those customers likely to buy were targeted with marketing activity, reducing costs and increasing marketing efficiency.

从理论上来讲，市场营销只会面向潜在客户群，以此降低成本、增加营销效率。

youdao