Prosperous people, places, and economies are rich and successful.
the youngest son of a relatively prosperous family.
一个相对富裕的家庭里的小儿子。
The place looks more prosperous than ever.
这个地方看来比以往任何时候都要繁荣。
Australia's economy is prosperous and stable.
澳大利亚的经济繁荣稳定。