Working odd summer jobs has been 'the sum of' my experience so far. [=has been all the experience I've had so far]
That picture 'sums' him 'up' perfectly. [=that picture perfectly shows what kind of person he is]
“So, you don't want to go because you think it will be boring?” “That just about 'sums it up'.”
(..) Monsieur Mendel. How are things in Switzerland? My apologies, I do not mean to rush... ...but million is a large sum of money. It certainly is. You didn't bring any chocolates with you? I'm afraid not. If you would type in the account number. (..)2006 Casino Royale
(..) The money will remain in escrow until I return... ...and the winner of the contest enters his or her password... ...into the encryptor... ...whereupon the entire sum will be wired... ...to any bank account in the world you nominate. Mr. Bond? We proceed alphabetically. (..)2006 Casino Royale