1. government background: the national adult continuing education service platform is operated by the government or government agencies with official background and recognition. The government plays an important role in supervising and promoting adult education, so the platform supported or operated by the government is considered official.

2. Official certification: The national adult continuing education service platform will be certified by the government or other official institutions to ensure its legitimacy and authority. Through the officially certified platform, students can be provided with safer education services.