[经] credit balance in customers' accounts

yīng shōu zhàng kuǎn míng xì zhàng hù dài fāng yú é ㄧㄥ ㄕㄡ ㄓㄤˋ ㄎㄨㄢˇ ㄇㄧㄥˊ ㄒㄧˋ ㄓㄤˋ ㄏㄨˋ ㄉㄞˋ ㄈㄤ ㄩˊ ㄜˊ