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]
(..) This is Altamid. Our ship is stranded here. Approaching Altamid. Class M planet. Massive subterrenian fauna, with unlimited unknown life forms on the surface... Proximity alert, sir. We have an unknown ship heading right on us. - Lt. Uhura, hail them. - Yes, Captain. No response. (..)2016 Star Trek Beyond
(..) I do not think that's true... ... and eat us !! What? Scotty, get me out of here! There are many interference on the surface, sir. I broke and uniform. How'd it go? Captain, did you manage to broke a treaty with diplomacy? Let's just say we came out short. (..)2016 Star Trek Beyond