In Beijing office buildings, there will be supporting catering, a few companies have canteens, but not many, breakfast is normal at 6-10 yuan, take the median of 8 yuan, lunch and dinner a **** will be at 25 yuan, so it is three meals a day. Office building refers to the business, office activities to provide space for the building and ancillary facilities, equipment and venues, office building supporting refers to the office building as the center, related services and content.