The currency has lost so much of its value that barter has become the preferred way of doing business.货币贬值如此严重，这样易货交易成了做生意的优先选择。They often used opium as wages and as currency for barter.他们过去常用鸦片当工钱和易货交易的通货。She'd already picked up enough Dutch to do some useful barter with the natives.她已经顺便学了一些荷兰语，足以和当地人进行一些有益处的易货交易。