The treaty was ratified 'through the agency of' a neutral country.
He found work as a mechanic through an 'employment agency'.
an athlete who has become eligible for 'free agency'
(..) We're working on it. Does he have enough supplies to survive? We'll be looking into that. What does this say about the agency? Are you gonna resign? No. Director Sanders! Ares ... kilometers. (..)2015 The Martian