Best discount "refers to the various discounts, including discounts, regular special discounts, discounts, other discounts, profit and return all the vendors agreed to discount to a buyer.
Discount "refers to various discounts, including discounts, rebates, discounts normal return. And other discounts that will reduce the sellers to the buyers.
Discount discount "means including discount discount discount return normal profit and another discount shall the Seller agrees to reduce to the buyer.