Travel 9. Study. The knowledge most in the world have been recorded in English. Especially in science and technology 10.Communication, language is the tool of communication. Which appeared in the services and communication activities, such as the postal system and telephone. The author has stated at the end.Multilingual risk dead languages The preserve is as simple as treatment of animal breeding endangered species. In C.Professor 1996 announced the rights to use language at Barcelona, UNESCO, trying to keep the language that risk of losing, but also no result much Which is expected to take several years.
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