[经] ratio of net sales to receivables

xiāo huò jìng é duì yīng shōu kuǎn xiàng de bǐ lǜ ㄒㄧㄠ ㄏㄨㄛˋ ㄐㄧㄥˋ ㄜˊ ㄉㄨㄟˋ ㄧㄥ ㄕㄡ ㄎㄨㄢˇ ㄒㄧㄤˋ ㄉㄜ˙ ㄅㄧˇ lv4