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]
(..) Why not? When they took Deck , they stopped. They've assimilated half the ship. Why stop there? - What is on Deck ? - Hydroponics. Deflector control. They stopped there because it gave them a tactical advantage. Return to your checkpoints. What happened in sick bay? Where's Dr Crusher? (..)1996 Star Trek: First Contact
(..) - It will take us three hours... - We're not going. - What do you mean? - We're to patrol the Neutral Zone. In case the Romulans decide to take advantage of the situation. There has been no unusual activity along the Romulan border. Does Starfleet feel we need more shakedown time? (..)1996 Star Trek: First Contact