Jan 21, 2016 - 10:08 AM
In this case, you can think of "per" as meaning "for the purpose of...". That's how it's used in Italian. The trouble (not just in Italian) is when you try to translate a sentence word for word from English into a foreign language. It often doesn't work, as you've seen in this case.
Jan 21, 2016 - 10:15 AM