[经] cover for re-export and external transaction
zài chū kǒu yǔ duì wài jiāo yì bǎo xiǎn ㄗㄞˋ ㄔㄨ ㄎㄡˇ ㄩˇ ㄉㄨㄟˋ ㄨㄞˋ ㄐㄧㄠ ㄧˋ ㄅㄠˇ ㄒㄧㄢˇ