there are two option either you create language copies for translations project then its useful to send out a package to translation agencies. This will create translation project per language for selected pages. It will give you option to export the package for human translation to send to agencies, once you receive it back, after importing it will put the translations back to created language copies removing the effort to cut and paste translations manually. if its an update to existing one i.e., the a language copy already exists, it will create another copy without overwriting the current one.
If you are just after copy as it is from source ie English, you can just select the option create structure only and it will only create copy of source file with no translation project.
Using CRXDE to do this i would not suggest unless experimenting for development.
