如果出口货物是以CIF价格条件成交的,出口商往往是在装货港或货物出口地办理托运业务
参考答案:对
I have tried to solve the problem, but it is so difficult that it ______ not only me but also my friend. [ ]
A. attracts
B. handles
C. defeats
D. injures
半夏的用法是内服多醋汁及明矾制过用,外用姜制研末调敷或鲜品捣敷。