adj.形容詞曾經繁榮的The once-thriving town is now a ghost town after the factory closed.
adj.形容詞昔日繁榮的The city boasts a rich history, with several once-thriving industries that shaped its identity.
adj.形容詞一度繁榮的The once-thriving business struggled to adapt to the new market conditions.
adj.形容詞曾經蓬勃發展的The once-thriving community has seen better days.