sale price 促销价
selling price 卖价
retail /?ri?te?l/ price 零售价
wholesale /?h??lse?l/ price 批发价
purchasing /?p??t??s??/ price 购买价，买价
final price 一口价，最终价
total /?t??tl/ price总价
6 折扣
discount /?d?ska?nt/
单数部落 单重折扣 a discount
复数部落 双重折扣 double discounts
■ 注：表达“一折”是 a discount of 90%/a 90%discount，“两折”是 a discount of 80%/an 80%discount。其他种类的折扣，以此类推。
