[经] averaging of accounts

píng jūn wǎng lái zhàng de píng jūn yú é ㄆㄧㄥˊ ㄐㄩㄣ ㄨㄤˇ ㄌㄞˊ ㄓㄤˋ ㄉㄜ˙ ㄆㄧㄥˊ ㄐㄩㄣ ㄩˊ ㄜˊ