only to find that one of the videos has been deleted? Once that video is gone from YouTube, all you’ll see is a dreaded gray icon and there’s no way to know the video title or the channel it came from.
Luckily, there are a few tricks you can use to figure out what the deleted video was, or with a bit of extra effort, save information about the video right there on YouTube.
URL的Google搜索部分
If there’s a video in your playlist that has already been deleted, googling part of the URL can often help you figure out its title. Click on the video to open it up and copy the identifying string of letters and numbers associated with the video in its URL. So if the URL looks like this:
https://www.youtube.com/watch?v=cceVqWgrhw4&index=70&list=WL您需要复制以下字母和数字字符串：
cceVqWgrhw4搜索该字符串应显示已删除视频的标题：<
向YouTube播放列表添加注释
If you don’t want to leave matters to chance and want to be absolutely sure that you will be able to figure out what the deleted video is, take some precautionary measures as you add videos to your playlists.
以通常的方式将视频添加到播放列表：打开视频后，点击添加到按钮右侧在视频标题下，然后选择您的播放列表。
导航到您刚刚将视频添加到的播放列表。您可以在 Library下的左侧菜单中找到列出的所有播放列表。
在播放列表打开的情况下，将鼠标悬停在任何给定视频上都会显示带有下拉菜单的更多按钮。单击该按钮并选择添加/编辑注释。
键入标题，频道，主题或您想用来记住视频的任何其他信息。
就是这样。现在，如果您从YouTube中删除了一个播放列表中的视频，则可以单击添加/编辑注释按钮以拉出有关您保存的视频的信息。
您可以还可以浏览播放列表，并为所有已添加的视频添加注释。
如果您知道某些视频或播放列表在任何情况下都不希望丢失，那么您可以随时使用易于下载的工具轻松下载视频。
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