Rust Belt造句怎么写

If Rust Belt residents notice the irony of inviting Japanese investors back to revive their former colony, they're not saying it out loud.

That idea is just one of many to get the nation's Rust Belt out of its long slow industrial decline.

We might look upon the glory of our Rust Belt states, where there are hundreds of vast steel mills that are at least 40 years out of date and also spew smoke that causes acid rain.