#2017年职称英语《综合类B级》概括大意文章及译文4 搜索结果
TransportandTradeTransportisoneoftheaidstotrade.Bymovinggoodsfromplaceswheretheyareplentifultoplaceswheretheyarescarce，transportaddstotheirvalue.Themoreeasilygoodscanbebroughtovert
