They hope to 'build a bridge' between the two cultures. [=they hope to help the people in the two cultures understand each other]
I don't know how we'll pay the bills if you quit your job, but 'we'll cross that bridge when we come to it'.
We had our differences in the past, but that's all 'water under the bridge' now.
(..) ...then she'd eat my head. - So sad. - We cannot give up hope. Po would want us to remain strong. Hard-core. Right, Tigress? - Lord Shen, what about the bridge? - Nothing stands in my way. Fire! You coward! Po? Po? (..)2011 Kung Fu Panda 2