If there is a customer's WeChat group or an official WeChat account, post it in the group or on the official WeChat account: Dear customers, hello everyone. Now our store has a batch of expired goods to deal with. It must be overdue, but it will expire in a few days, and it won't affect your meal. Now we sell them all at the price of XX. If necessary, come to the store as soon as possible. Our quantity is limited, first come, first served, while it is sold out.