paths for different languages

i m going to implement a web site with English and Japanese interfaces. it is common that when we visit website having multi-language support, there are paths for each language: www.example.com/english or www.example.com/japanese.

i tried the locale module and i find it is nice to use. but i do not see any support for such path for different languages. what should i do if i want to provide a path for each language?

thanks a lot.