The difference is that an educational recording and broadcasting belongs to the category of industry, education industry and recording and broadcasting industry, and everyone refers to the desired effect. The former is implementation, and the latter is result.

First of all, the educational recording and broadcasting system includes many aspects. Common recording and broadcasting classrooms and campus TV stations belong to educational recording and broadcasting systems.

Then "Everyone Connect" is about "Three Days and Two Platforms" in the Thirteenth Five-Year Plan, including "Everyone Connect", "Class Connect" and "School Connect"

The latter two are containment relations.