本频道旨在补充中文学术资源，昌明教育。
主页仅精选部分课程，全部课程请查看播放列表。所有视频不设广告。
更多更好的课程请移步英语区。
This channel aims to supplement academic resources in Chinese, and hopes education will prosper.
The homepage only selects some of the courses, please check the playlist for all courses. No ads for all videos.
For more and better courses, please move to the English area.
