Belongs to one of the units. Usually devoted to selling goods or providing services. Industrial and commercial buildings refer to shopping malls, supermarkets, office buildings, restaurants and entertainment places and other buildings used for commercial activities such as production, operation and service. Industrial and commercial buildings are not only an important carrier of urban economic development, but also an important part of urban culture and community service facilities. At the same time, they also promote the development of related supporting facilities and industries, such as logistics and transportation, service industry, advertising media and so on. In addition, pedestrian street refers to one or more urban pedestrian commercial districts that completely prohibit motor vehicles from driving and provide shopping, entertainment and other services for pedestrians.