[经] non-interest-bearing and free of charge account

wú xī jí miǎn fèi zhàng hù ㄨˊ ㄒㄧ ㄐㄧˊ ㄇㄧㄢˇ ㄈㄟˋ ㄓㄤˋ ㄏㄨˋ