Facebook launched a translation tool for reading foreign language pages. Through Translator Microsoft Bing.
Facebook social networking users will be able to translate the language with just one click without leaving your facebook page. different from the google translator, translation facebook backed by Microsoft Bing. located on each post.
This translation option works if the language is in use by a comment in the post we are different languages.
as a example: if you use English on a post, then comment on the options there are Spanish language, the translation tool will appear at the bottom of the post's comments.
for more details, please click here.