[经] supervision and control over freight transport
huò yùn de jiān dū guǎn lǐ ㄏㄨㄛˋ ㄩㄣˋ ㄉㄜ˙ ㄐㄧㄢ ㄉㄨ ㄍㄨㄢˇ ㄌㄧˇ