First of all, it doesn't matter from the function, mainly the loading effect. If it is as thick as Philip, you can put it on a shallow plate, so the price will be more stable; If it is a steak like a brisket, a shallow dish or even a slate can be used; A flat plate in western food usually refers to a shallow plate. Compared with the difference between a deep plate and a flat plate, a flat plate can be a plate for directly holding food, and more is a plate placed under a deep plate.