The meaning of the scissors icon has clearly indicated that it has been edited. So you can use scissors to edit the video.
After editing the video with scissors, a layer of light blue indicates the selected video.
In addition, right-click the menu with "Ctrl+B" to edit the video.
Most of the cut videos are useless and can be deleted, so you can also right-click and use the delete menu to delete them.
Then an eye-catching prompt will pop up asking whether to delete the video.
In addition, there is a delete icon, which can delete redundant edited videos.
Finally, save the export.