A.為何購買 B.由誰購買 C.如何購買
A.競爭對手隨時監(jiān)控 B.產(chǎn)品質(zhì)量隨時監(jiān)控 C.市場動態(tài)隨時監(jiān)控 D.客戶流失預(yù)警防范
A.視覺 B.聽覺 C.觸覺 D.味覺