Second, you don't have to order Zhenjiang to have a hotpot. There is no need to order a string of hot pot. Help yourself to the plate and eat whatever you want. String hot pot means that the store puts the dishes in the fresh-keeping cabinet, and all the dishes are signed and put in the fresh-keeping cabinet, and they can eat whatever they want. You don't need to order it yourself, so it's self-help, so it's more convenient.