Jìn / nián / lái / Tiě / xiù / dài / de / yì / xiē / chéng / shì / zhèng / zài / fā / zhǎn / xīn / chǎn / yè

近年来，铁锈带的一些城市正在发展新产业。

In recent years, some cities in the Rust Belt have been developing new industries.