Is it better to have multi language site or own domain for each language

[marcinovolok]

Hi, I have a travel blog and would like to ask you if it is better to have multi languages on one domain or is it better to spread sites with different languages into several domains? Here is a video done by Matt Cutts at Google:
Quote: Hi Matt. Let's say I want to add multiple languages/countries to mysite.com. Would I be better off