电脑屏幕,而youtuber在上传到YouTube之前添加了视频的描述。
Computer screen while youtuber adds the description of a video before uploading it to YouTube.
下载 HD Ready 1080x720 下载 Full HD 1920x1080视频来自: https://mixkit.co/free-stock-video/adding-a-video-description-when-uploading-it-to-youtube-41279/