近年来,旧货、二手货、再生物资之类词眼,频频出现在我们生活之中,类似积压产品市场、二手货市场更是风起云涌般地崛起在我们的周围。旧货交易在发展中国家比比皆是,就是在工业发达国家,旧货市场照样办得红红火火。 In recent years, words such as used goods, second-hand goods, and biological resources have frequently appeared in our lives. Similar backlogs and second-hand goods markets have been surging around us. The trade in junk is common in developing countries. In industrialized countries, the flea market continues to flourish.