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It all depends on what languages you speak. If for example you speak English and Spanish, you can travel the world easily. Do you speak Chinese and Swedish, it can become a lot harder.

But nothing actually will hold you back from traveling!

Make sure you have a booklet of the countries you're traveling to which contains the most important sentences. That way you can start a conversation.

Use your body to make yourself clear through gestures, expression and simple words.

Travel together with somebody who speaks other languages or find a native speaker to travel along with you or help you out when you're already there. There's always someone around who lends a helping hand.

english is the second most comment language spoken many people all over the world speak english as well as there native language like in china most people can speak chinese as well as english it is seen as mandatory in some parts of the world because so many people speak it. I went to portugal a few mounths ago to visit family and i speack almoust no portugeuse what so ever and half way druing my visit i decided to go into town and get some things at a store. when I got into the store then man behinde the counter said bounne attard senou(good afternoon sir) and i didnt speak portugeuse so i just decided to ask him in english. so i said'do you sell the 2 litre botles of pepsi? and without missing a beat he says yeah there right there behinde you under the milk. and he spoke it with almoust no accent and he told me that since the 1950's its mandatory to learn english in schools. and i was in a part of portugal that was a small island way of the coast. so if they know english there they will know it it many other places and even if they dont know english they will probabley be able to say general things

Gosh, "only" 2 languages?

Of course I will try to understand.. how? I don't know, but I am sure I will.

You prepare yourself everything and you buy some guide books for essential phrases.