a. tourism catering refers to the catering behavior in the process of tourism

B. tourism catering refers to the tourism industry and catering industry.

Tourism, known internationally as tourism industry, is a comprehensive industry that relies on tourism resources and facilities to attract or receive tourists and provide them with transportation, sightseeing, accommodation, catering, shopping and entertainment. Tourism business consists of three parts: tourism, transportation and passenger transport, and accommodation represented by hotels. They are the three pillars of tourism.

The catering industry refers to catering service organizations that aim at commercial profit. In China, according to the definition in the Notes on the Classification of National Economic Industries, the catering industry refers to the service activities of cooking, modulating and selling food to customers in a certain place for on-site consumption.