曾哲贞演过什么:a product of a qulity that does not fulfill the quality standard established by the buyer

a mistake of product design accept a return of the product;or misrepresenting of a product's place of origin every brand dreams of introducing a smash-hit product a cutting-edge product a product of a qulity that does not fulfill the quality standard established by the buyer in the event of any edfect in quality,merchantability and/or fitness of a product in the event of the seller changing the manufacturer of a product at its own discretion a defect in product design merchantability or fitness of any product for a particular use or purpose