barter and exchange物物交换: exchange article by article; ...和: mix; blend交易: business; deal; trade; trans ...物物交易: truck物物交换: exchange article by article; barter one thing for another; barter with; trade-off下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:物物交换和交易，即可在微信中查询翻译
