打折扣-让价 to reduce||to make a reduction
减价 to deduct||to make a deduction
回扣 to rebate
现金折扣 cash discount
货到付款||现金提货 cash on deliver (C.O.D.)
货到付现款 cash on arrival
即时付款 prompt cash
净价||最低价格付现 net cash
现金付款 ready cash
即期付款 spot cash||cash down||cash on the nail