My opinion is that the overall content is good, but the video quality is lacking because no one is recording it.

My opinion for group 4's video is that the video concept is good but the backsound is too loud compared to the dubbing.

My opinion about group 6 videos is that all the videos are good but the sound volume is unstable and the video quality is also unstable.

My opinion about group 5 videos is that all the videos are good but the camera is not stable and focused, and the subtitles are a bit strange because they are usually below