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]
(..) If he remains here with us... ...he will die as surely as we will. But why Earth, Jor-El? They're primitives, thousands of years behind us. He will need that advantage to survive. Their atmosphere will... ...sustain him. He will defy their gravity. He will look like one of them. (..)1978 Superman