variability and experience.

1. variability: the characteristic of catering products lies in its variability. The catering industry needs to provide different dishes and services according to customers' needs and tastes. The menu can be adjusted and changed according to the season, region and customer preference to meet the needs of different customers.

2. Experiencing: Catering products not only provide food, but also include the overall experience of customers eating in restaurants. The environment, atmosphere and service attitude of the restaurant will affect the customer's feeling and satisfaction. Because the catering industry needs to pay attention to customer experience and provide comfortable dining environment and quality service.