词汇	比较曲线
释义	比较曲线 comparison curve
随便看	purchase estimate purchase expenditure Purchase Expenditure and Payment purchase expense purchase expenses purchase factors purchase fall purchase fame purchase farm produce and sideline prducts Purchase fee purchase for purchase for credit purchase for future delivery purchase for government purchase forward purchase freedom with blood purchase frequency purchase from purchase from head office purchase fund purchase goods on a selective basis purchase grain purchase grants purchase group purchase group agreement