1, facilities richness comparison: Spectrum: There are many restaurants, swimming pools, water parks, gyms, spas and other facilities. The facilities cover all kinds of recreational activities to meet the needs of different passengers. Quantum number: provide a series of comfortable facilities, such as restaurants, gyms, etc. Compared with the optical fraction, it is slightly insufficient in quantity and diversity.

2. Service quality upgrade comparison: spectrum number: committed to providing passengers with high-quality service experience. After professional training, the crew can meet the individual needs of passengers, customized arrangements or special dietary requirements. Quantum number: it also pays attention to quality service, and is similar to spectral number in crew training and personalized needs.