张某花了280元在某皮革专卖店购得一双打折的名牌皮鞋,可刚穿三天就脱了胶。张某要求店家退款,该专卖店以打折商品为由拒绝退款。专卖店侵犯了张某的( )
—How long have you _________ your watch? It looks new.
—Only about three weeks.