[经] pre-publication evaluation of advertising
chū bǎn qián guǎng gào píng gū ㄔㄨ ㄅㄢˇ ㄑㄧㄢˊ ㄍㄨㄤˇ ㄍㄠˋ ㄆㄧㄥˊ ㄍㄨ