How to remind others to pay for meals

No need to be humorous, just calculate the account directly, say 20 yuan

See if they finish eating and are ready to leave, you can go over and say: 20 yuan a day, thank you

Don’t say, “I’m sorry, I haven’t settled the bill yet,” as if they were trying to evade the bill. Tell them the price directly. Even if they forget, you won’t be embarrassed if you say this, and you won’t lose any money. .

Or change the rules and collect money first and then eat