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“我知道我的广告费有一半浪费了,却不知道浪费的是哪一半”。一眼望去,熙熙攘攘的人群中哪些才是有效的客户?如何将有限的广告费最有效地命中目标客户群?
“I know half of my advertising costs were wasted, but do not know which half wasted ”. At a glance, which of the bustling crowds are effective customers? How to maximize the limited advertising costs hit the target customer base?