費ひ用よう便べん益えき比ひひようべんえきひMeanings1nouncost-benefit ratioTechnical term used in economics, project evaluation, and policy analysis to compare the costs and benefits of a decision.このプロジェクトの費ひ用よう便べん益えき比ひは1.5で、投とう資しする価か値ちが