File copy also can be used in other system, but implementation details are entirely different.

文件复制的方法同样也是通用的，但具体实现需要依赖实际的软件环境。

youdao

File copy also can be used in other system, but implementation details are entirely different.

文件复制的方法同样也是通用的，但具体实现需要依赖实际的软件环境。

youdao