The "nanny insurance" is a new thing, and nowadays there are more and more new things on the Internet. Have you heard of the word "Mazou"? I would like to tell you that it is a phonetic imitation word. Mazou refers to MODEL, namely, model, a phonetic imitation word. Girls on the T-stage are called models, while models on the Internet are affectionately referred to as "Mazou" by netizens. They don't have a height of over 1.75 meters, nor have they received professional training, but they often wear beautiful clothes and appear in all kinds of online shops or street snapshots.