1, cross-border supply. Providing services from the territory of one member to the territory of another member, in which "cross-border" refers to the transit of "services", which is realized by means of telecommunications, post and telecommunications and computer networking. As for personnel and materials, in the modern scientific and technological environment, there is generally no need to transfer. For example, electronic settlement and payment in international finance, international telecommunications services, information consulting services, satellite video services, etc.
2. Foreign consumption. Providing services to service consumers of another member within the territory of one member. For example, domestic patients go abroad for medical treatment, foreigners travel to their own countries, and domestic students study abroad.
3. Commercial presence. The service provider of one member provides services through commercial entities in the territory of another member, which is the most important of the four modes of service provision and the most important form of service trade activities. It mainly involves market access and direct investment, that is, allowing the service providers of one member to invest and set up institutions and provide services in the territory of another member, including joint ventures, cooperative enterprises and wholly-owned enterprises. The service personnel of this institution can be brought from the provider's home country or hired from the host country. For example, foreign companies come to China to set up hotels, retail stores and law firms.
4. Movement of natural persons. A service provider of a member provides services through a commercial website of a natural person entity in the territory of another member. Importers allow individuals to enter the country to provide services. For example, foreign professors, engineers or doctors come to their own countries to do individual services.
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