The inquiry website shows that the video analysis behind the little black classroom can be purchased on the official platform, and you can also watch the video analysis behind the little black classroom in one room.

Xiaohei Classroom is a professional online learning platform for college students, focusing on computer level 2 research, postgraduate entrance examination, CET-4 and CET-6, teacher qualification certificate and workplace classroom, and providing complete computer level 2, postgraduate entrance examination, teacher qualification certificate and workplace classroom-related live lessons, recording lessons, auxiliary materials and simulation tests.