I'm in business, too. You don't need to join us. There's a good fish-washing take-away shop across from the court in Qiaoxi County, Xingtai. In the past, people used to run catfish hot pot restaurants, but later they made take-away food very popular. You have a chance to buy some and eat it and see how it goes. If you can, you can give some money to others to learn, and there is no need to join. If there is too much money, it may not be delicious.