A.Consumerdirectstoremodel
B.AdvancedB2Bdirectstoremodel
C.Demandchainstoremodel
D.AdvancedDemandchainstoremodel
E.Marketplacehubstoremodel
参考答案:BC
A.Consumerdirectstoremodel
B.AdvancedB2Bdirectstoremodel
C.Demandchainstoremodel
D.AdvancedDemandchainstoremodel
E.Marketplacehubstoremodel
参考答案:BC