当您只想从目录树的一个分支跳转到附近的另一个分支时，使用绝对路径会有点麻烦，这就是cd命令允许使用相对路径的原因。
It's a bit cumbersome using absolute paths when you only want to jump from one branch of the tree to another nearby. That's why CD allows you to use relative paths.
当在文件系统中导航时，您可以使用命令行在不到一秒的时间内从一个目录跳转到另外一个。
When navigating through the file system, you can use the command line to jump from one directory to another in a split second.
当在文件系统中导航时，您可以使用命令行在不到一秒的时间内从一个目录跳转到另外一个。
When navigating through the file system, you can use the command line to jump from one directory to another in a split second.
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