shāng pǐn / yè miàn / xiě zhe / jiǎ yī péi shí / shuō míng / shāng jiā / duì / zhèng pǐn / hěn / yǒu xìn xīn商品页面写着假一赔十,说明商家对正品很有信心。The product page says “fake one, compensate ten,” showing the seller is confident in the product's authenticity.