如果目标是一个文件，那么(单一)源必须也为文件，而源文件的副本使用目标名作为新名，替换任何现有的具有相同名称的文件。

If the target is a file, then the (single) source must also be a file and a copy of the source file is made with the target name as the new name, replacing any existing file of the same name.

youdao

如果目标是一个文件，那么(单一)源必须也为文件，而源文件的副本使用目标名作为新名，替换任何现有的具有相同名称的文件。

If the target is a file, then the (single) source must also be a file and a copy of the source file is made with the target name as the new name, replacing any existing file of the same name.

youdao