1. Comprehensive: tourism hospitality industry is a comprehensive and strong industry, which involves many fields, such as catering, accommodation, transportation, attractions and so on.

2. Coordination: the tourism hospitality industry needs to coordinate and communicate with many industries, such as catering, transportation, manufacturing and so on.

3. Cultural: Tourism hospitality industry is a strong cultural industry, which involves many cultural aspects, such as food culture, folk culture, historical culture and so on.

4. Innovative: Tourism hospitality is a highly innovative industry, which needs to constantly push forward to meet the changing needs of tourists.

In short, the G20 Summit dinner reception reflects that the cross-border tourism hospitality industry is characterized by comprehensiveness, coordination, culture and innovation.