yǒu xiē zhé kòu tuì huò hòu huì chóng xīn suàn, tuì kuǎn jīn é kě néng bǐ xiǎng xiàng shǎo有些折扣退货后会重新算,退款金额可能比想象少。Some discounts are recalculated after a return, so the refund amount may be less than expected.