2. Snacks are a kind of food with specific styles and characteristics in taste. Snacks are made of local materials, which can highlight local material, culture and social life. They are an indispensable and important feature of a region, and they are also the main targets of homelessness.
3. Catering industry refers to the food production and operation industry that provides consumers with all kinds of drinks, food, consumption places and facilities through instant processing, commercial sales and service labor;
Some breakfasts are snacks, and the place where breakfasts are served is the catering industry.