1. Education: An internationalized and urbanized public service system needs to provide high-quality educational resources, including excellent schools and teachers, diversified educational courses and advanced educational technologies and facilities.

2. Health care: The public service system needs to provide comprehensive health care services, including hospitals, clinics and pharmacies, to meet the health needs of residents. At the same time, international medical technology and disease prevention and control measures should be provided.

3. Transportation: The public transportation service system in international urbanized areas needs to provide an efficient and reliable transportation network, including buses, subways, taxis, etc., to facilitate residents' travel. In addition, we should also consider environmentally friendly modes of transportation to promote green travel.

4. Infrastructure: including public infrastructure such as water supply and power supply and communication network. The construction and operation of these facilities need to meet the needs of international urbanized areas and ensure the basic living and working conditions of residents.

5. Cultural entertainment: The public service system in internationalized and urbanized areas should also provide various cultural and entertainment activities and facilities, such as museums, libraries, theaters, stadiums, etc. To meet the spiritual and cultural needs of residents.

6. Social security: The public service system needs to ensure the personal and property safety of residents, provide emergency rescue services in emergencies, establish a sound legal system and social security system, and provide residents with a sense of security and protection.

To sum up, an international and urbanized public service system not only needs to meet the basic needs of residents, but also needs to provide quality services such as education, medical care, transportation, infrastructure, culture, entertainment and social security. This can create an urban environment that is livable, suitable for business, suitable for learning and suitable for traveling.