This is "portable" video, just like in Picture-in-picture of the early 90s.

这就是“便携”视频，就像90年代初的画中画那样。

youdao

This is "portable" video, just like in Picture-in-picture of the early 90s.

这就是“便携”视频，就像90年代初的画中画那样。

youdao