1. service: China Southern Airlines prefers to provide short lounges and free WiFi services in economy class, while Pearl economy class does not provide these services. In addition, Pearl Economy Class will provide passengers with blankets, waist pillows, newspapers and drinking water in advance, while China Southern's preferred economy class may not have these services.
2. Space: The preferred economy class space of China Southern Airlines is relatively small, about 79 cm, while the Pearl economy class space is relatively large, about 89 cm.
3. Seat Comfort: China Southern Airlines prefers to provide brand-new seats in economy class to make passengers more comfortable, while the seats in Pearl economy class may be relatively simple.
4. Catering service: China Southern Airlines prefers economy class to provide better catering services, such as free breakfast, while Pearl economy class does not.
5. Boarding service: China Southern Airlines gives priority to economy class to provide priority boarding service, while Pearl economy class does not.
To sum up, the main difference between China Southern's preferred economy class and Pearl economy class lies in service, space and comfort. China Southern Airlines prefers economy class to provide a higher level of service, but the price may be relatively high. Pearl economy class provides more basic services, and the price may be relatively low. According to personal needs and budget, choose the flight type that suits you.