You must order a menu before you go shopping. 17 yuan 1 1 person, less than 200, not a cauldron; General 1 meat, 1 half meat, 1 vegetarian, 1 soup.
Don't buy vegetables that have just come into the market, buy more vegetables that are easy to preserve, such as potatoes, yams, tomatoes, eggplants, etc. Buy more easy-to-do ones.