短语词组短語Prorate Conventions 分攤慣例prorate rebate 比例廻釦Prorate Interpolation 比例插值Prorate Schedule 點數比例分配表prorate average 按比例均攤prorate dividends 按比例分紅mileage prorate 按英裡程比例分配Prorate Convention 比例分攤慣例Apportioned Prorate 按比例分攤 返回 prorate