barterv.物物交换；以货易货n.物物交换；实物交易barter agreement易货协定barter arrangement易货协定barter transaction易货交易barter syndication交换辛迪加barter water for oil用水换油barterio-agglutinin[医] 细菌凝集素barter wheat for rice用小麦交换大米barter terms of trade物物交易条件,纯交易条件barter away principles出卖原则barter away a principle拿原则做交易