operating cost ratioglossary / OPERATING-COST RATIO operating-cost ratio. The ratio between the net sales of a business and its operating costs. 词条贡献者 法律翻译Wayne,毕业于一所培养最顶级翻译人才的语言学院,专注翻译各类与调查、政府执法和白领刑事辩护有关的法律文件。