货物生产国与消费国之间,或货物供给国与需求国之间,经由第三国贸易商分别签订进口合同和出口合同所进行的贸易是指()
A.直接贸易
B.间接贸易
C.转口贸易
D.国与国贸易
正确答案是C
A( )change in policy is needed if relations between the two countries are ever to improve.