当一节车皮装载一个20英尺集装箱时,按一节车皮计收运费。( )
参考答案:错
What animal is her cousin going to _____________?[ ]
A. look at
B. look
C. looking at
销售渠道是由制造商、批发商、零售商及其他辅助机构一起发挥作用,有效满足市场的需求。()