[经] profit ratio of total liabilities and net worth

fù zhài yǔ jìng zhí zǒng é lì rùn lǜ ㄈㄨˋ ㄓㄞˋ ㄩˇ ㄐㄧㄥˋ ㄓˊ ㄗㄨㄥˇ ㄜˊ ㄌㄧˋ ㄖㄨㄣˋ lv4