yǐjīng shōudào zhèngcháng shāngpǐn shí, píngtái bù yīdìng zhīchí zhǐ tuìkuǎn bù tuìhuò已经收到正常商品时,平台不一定支持只退款不退货。When a normal item has already been received, the platform won't necessarily support a refund without a return.