Is there a way to 'turn this situation to our advantage'? [=is there a way to exploit this situation?; is there a way to take advantage of this situation?]
The union should be 'at an advantage' [=should have an advantage] in the negotiations.
She used her position for personal 'advantage'. [=for personal gain; to help herself]
(..) William! The next winter was the harshest in memory. Snow White's mother passed away. The king was inconsolable. Taking advantage of his grief, a dark and mysterious army appeared and lured him into battle. - What devil spawned this army?! - Send them back to hell! No prisoners! (..)2012 Snow White and the Huntsman