高等继续教育 / 计算机专业英语
正确率：100%
题型描述: 单选题
Every transaction in electronic commerce includes information flow, commercial flow, _ _ _ _ _ _ _ and material flow.
A.merchandise flow
B.data flow
C.currency flow
D.file flow
Every transaction in electronic commerce includes information flow, commercial flow, _ _ _ _ _ _ _ and material flow.
A.merchandise flow
B.data flow
C.currency flow
D.file flow
参考答案：
佳题速递：