短语词组短语Prorate Conventions 分摊惯例prorate rebate 比例回扣Prorate Interpolation 比例插值Prorate Schedule 点数比例分配表prorate average 按比例均摊prorate dividends 按比例分红mileage prorate 按英里程比例分配Prorate Convention 比例分摊惯例Apportioned Prorate 按比例分摊 返回 prorate