In terms of publicity, we can consider entering the corridor of the community, going to the DM list of residents, and engaging in some promotional activities. But the country is not allowed to have a time limit now, and the time limit must be limited. When you buy a certain quantity, you can send some small gifts or daily necessities, so that there will be many repeat customers and the popularity of your supermarket will be improved a lot. And this is the cheapest publicity.