CCTV.com News (Midnight News): "Nanny insurance" is a new thing, and nowadays there are even more new things on the Internet. Have you ever heard of the term "madou"? I'll give you a hint: it's a phonetic imitation term. Madou is the phonetic imitation term for MODEL, or model. Girls on the runway are called models, while online models are affectionately referred to by netizens as "madou". They don't have a height over 1.75 meters, nor have they received professional training, but they often wear beautiful clothes and appear in various online shops or street snapshots.