编辑同志：近年来，各地旧货市场发展较快，促进了旧货的流通和再生利用，然而一些潜在的问题也日益暴露出来，令人关注。现时的种种信息表明，人们对出卖旧货往往心存疑虑：收购者对旧货价格总是“毛估估”，对旧货的新旧程度、性能优劣指标等没有精确的评估标准，让人无法放 Editors Comrades: In recent years, the rapid development of the flea market around the country has promoted the circulation and recycling of used goods. However, some potential problems are increasingly exposed and cause concern. All kinds of information now indicate that people often have doubts about selling old products: buyers are always “evaluated” the prices of old products, and there is no accurate evaluation standard for the oldness of new products, performance indicators, etc. Unable to put