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.
(..) Hey, no offense, but you got somethin' bigger in that belt? - What now? - All-out assault on Bane. But you need to get people across the bridge. - Why? - In case we fail. Lead an exodus. Save as many lives as you can. - You don't need me here? (..)2012 The Dark Knight Rises
(..) million people from leaving this island. No. No, we don't. But you do. Now, why the hell would I try to help you keep your hostages? If one person crosses this bridge... Gotham gets blown to hell. The people of our greatest city are resilient. They have proven this before... (..)2012 The Dark Knight Rises