I'm not sure if "for" is the best choice here.
I don't know how to say it if the person is not leaning biology anymore (maybe this is still ok, maybe not).
Some use Simple Past Tense instead of Present Perfect Simple in US.Normally we should say; He has dedicated....... if the action is in progress, if finished we say he dedicated.......
OK.
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This sentence was initially added as a translation of sentence #132772
added by pandark, December 24, 2010
linked by pandark, December 24, 2010
edited by marco87, February 20, 2011
linked by marco87, February 20, 2011
linked by thyc244, May 5, 2011
linked by alexmarcelo, May 25, 2011
linked by duran, August 14, 2011