同根派生 discount rates相关词英汉例句Please quote your best quantitative discount rate for these chairs.关于此款椅子，请给予最大采购量的折扣率。I shall be glad if you will send me patterns with your lowest prices and best discount for cash.您若能寄样品，并附上最低价格和付现款的最高折扣率，则非常感谢。discount rates更多例句