If you think she only did it for the money, you haven't even 'scratched the surface'. [=there are many other factors, reasons, etc., involved]
Despite the 'surface' differences between the two candidates, they are very similar in most ways.
The tension between them is beginning to 'rise to the surface'. [=it is becoming easy to see]
(..) the degree and extent of the burns, Kildare? DR. KILDARE: Second and third-degree burns over about percent of the body surface. Do you concur? I concur. Let's get him up to Pediatrics. WOMAN (over P.A.): Nurse Hopp to the Nurses' (..)2002 Catch Me If You Can