I've googled a bit if it's better to use language-specific URL's and most of the answers said yes. For example, for the about page it is better to use:
Than it is to use:
And the reason, they say, is keywords. So keywords for (in this case) German readers would be more relevant.
My dilemma however, is about the page structure and the URL hierarchy. Specifically, is Google going to expect me to have a
/de/about-us/ page, simply because he found a
/en/about-us/? And vice-versa, is he going to expect a
Will it confuse him and am I going to be unable to get that little extra hierarchic links on the search page results that show most common pages and all that "See more results" thing?
Will it hurt the rank?
If the answer is yes that will confuse Google, then what is the middle ground for this situation?