A.為何購買 B.由誰購買 C.如何購買
A.競爭對(duì)手隨時(shí)監(jiān)控 B.產(chǎn)品質(zhì)量隨時(shí)監(jiān)控 C.市場動(dòng)態(tài)隨時(shí)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