I'd rather be fluent in all languages, because, I think that would be more useful, for I can even make channels or programs for caring about animals and wildlife.
The ability of communicating without any idiomatic barrier, would be one of the most wanted faculties, not only in the work environment, but in day by day life, being able to hang out with every person and understand him, not only by a traduction that almost in every case gets the real message lost, but in a natural and native way of recognizing his problems, thoughts and from that, creating ways for helping and feel as him.