首頁›Browse›R›retention rateretention rate編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看retention rateretention rate — 名詞名詞1. the percentage of customers who continue using a service over time1.名詞釋義留存率the percentage of customers who continue using a service over time例句The company's retention rate increased after improving customer support.