Well, I think we don't need to know every language in the world, but we can understand the new technologies and languages in the future, we may have a robots.
Hmm ... I think we do not know all the languages in the world, but we were able to understand the language of modern technology in the future we might have a robot as we can.
Well... I think we don't need to know every language in the world but we can understand the language by modern technology, and we may have เละในอนาคต robot friend to us.