A. landing charges B. customs duty C. port dues D. import
surcharge E. import variable duties F. commission G. return
commission H. net price I. unfavorable balance of trade J. retail
price K. stocks L. cash sale M. bulk sale N. distribution
channels O. hire-purchase P. fluctuate in line with market
conditions Q. antidumping R. partial shipment 零售价( ) 现货( )