习惯用语barter away1.拿...作交易, 牺牲...以换取某种利益;barter sth. for...1.用某物换取...barter with sb. for sth.1.跟某人换取某物特殊用法international barter1.国际实物交易link barter1.联锁易货reciprocal barter1.对信用证易货