物流信息与其他信息相比具有（）的特点。
A.涵盖面广
B.数量大
C.传输性
D.复杂性
参考答案：B, C, D
______ what would happen, none of them could find a way out.[ ]
A. left wondering
B. having left wondering
C. leaving to wonder
D. left to wonder
简述梦网短信的计费原则？
