Ourpurchasedecisionsaregenerallymade———thebasisofpriceofprice，deliverydates，andaftersalesservice
A.with
B.over
C.in
D.on
正确答案是D
Ourpurchasedecisionsaregenerallymade———thebasisofpriceofprice，deliverydates，andaftersalesservice
A.with
B.over
C.in
D.on
正确答案是D