Extended information tourism is an industry that provides tourism services for tourists based on tourism resources and tourism facilities. Also known as smokeless industry and invisible trade.
In a narrow sense, tourism in China mainly refers to travel agencies, hotels, travel companies and tourism enterprises that specialize in selling tourism commodities. Tourism in a broad sense includes all walks of life related to tourism, in addition to departments specializing in tourism business. Tourism is a new type of advanced social consumption.
References:
Baidu encyclopedia-travel