In order to buy a bag of 20 pounds of equipment Peng-Dulaimi, the market value of about 16 U.S. dollars, but using a discount coupon payment, it just about 12 U.S. dollars.

• 以购买一袋20磅装的蓬莱米来说，市价约16美元，但是持用折扣券付款时，就只需12美元左右。