[经] broker's free credit balance
jīng jì rén de xián yú dài fāng yú é ㄐㄧㄥ ㄐㄧˋ ㄖㄣˊ ㄉㄜ˙ ㄒㄧㄢˊ ㄩˊ ㄉㄞˋ ㄈㄤ ㄩˊ ㄜˊ