The nickname for selling wine

Does the subject want to ask "How many nicknames are there for selling wine"? Four.

1. There are four elegant names for selling wine, namely hotel: ancient hotels are also called flag pavilions.

2. Green Curtain: In the Tang Dynasty, a green cloth tent was hung outside the hotel, which was called the green curtain.

3. A liquor store comes from the allusion "Zhuo Wenjun sells liquor as a pawn".

4. Restaurant: Modern hotels are also called restaurants.