[经] economic cooporation on compensatory basis

zài bǔ cháng jī chǔ shàng de jīng jì hé zuò ㄗㄞˋ ㄅㄨˇ ㄔㄤˊ ㄐㄧ ㄔㄨˇ ㄕㄤˋ ㄉㄜ˙ ㄐㄧㄥ ㄐㄧˋ ㄏㄜˊ ㄗㄨㄛˋ