But not necessarily overnight. Because cleaning the shop is very complicated. Seeing some things left by customers, such as mobile phones, keys and wallets, will be handed over to security guards. Other worthless cups, toys, foreign shopping bags, umbrellas and the like may be thrown away directly. . . . . . Awkward. . . . Of course, you can also put it next to the information desk where they work and wait for customers to come back. But it won't last long. Because the requirement is that our own cups cannot be put on the workbench. . . .