物物交换[wù wù jiāo huàn]
词典exchange article by article：物物交换。
词典barter one thing for another：物物交换。
词典物物交换
词典barter with：物物交换。
词典trade-off：权衡；交易。
词典labour exchange：物物交换，职业介绍所。
物物交换[wù wù jiāo huàn]
exchange article by article; barter one thing for another; barter with; trade-off