duopolyglossary / DUOPOLY duopoly (d[y]oo-op-[schwa]-lee). A market in which there are only two sellers of a product. 词条贡献者 译者大智,毕业于一所旨在培养高级翻译专业人才的翻译院校,擅长翻译各种与环境保护相关的法律文件。