You have been very helpful.
I believe there are many people curious about foreign cultures in this community. So please could you recommend me an English or Spanish-language community where the crosscultural aspects are discussed? Sort of "is there a word for "privacy" in Russian", as well as "Do Native Americans celebrate Thankgiving, too?" or "Are eggplant sandwiches considered yucky?". These are the problems I must resolve for myself every day as I'm a profesional translator.
For my part, to those of you who are advanced learners of Russian or hope to get to this level I could recommend two wonderful Russian-language communities. One is
http://www.livejournal.com/community/ru
and the other is http://www.livejournal.com/community/hr