[经] conventional collateral for loans

yán yòng de dài kuǎn dǐ yā pǐn ㄧㄢˊ ㄩㄥˋ ㄉㄜ˙ ㄉㄞˋ ㄎㄨㄢˇ ㄉㄧˇ ㄧㄚ ㄆㄧㄣˇ