zhè / ge / chéng / shì / yī / kào / tiān / rán / liáng / gǎng / fā / zhǎn / le / fán / róng / de / hǎi / yùn / yè

这个城市依靠天然良港发展了繁荣的海运业。

This city developed a thriving shipping industry thanks to its natural good harbor.