[经] monetary exchange system and its management

huò bì duì huàn zhì dù jí huì jià guǎn lǐ ㄏㄨㄛˋ ㄅㄧˋ ㄉㄨㄟˋ ㄏㄨㄢˋ ㄓˋ ㄉㄨˋ ㄐㄧˊ ㄏㄨㄟˋ ㄐㄧㄚˋ ㄍㄨㄢˇ ㄌㄧˇ