Prosperousness
prosperous（繁荣的）的名词形式
✅ 同义词
🗣️ 情景例句
She exchanged a few words with the foreigner.
她和那个外国人交谈了几句。
There are no birds of this year in last year's nests.
事过境迁。
OK. When?
行啊。什么时候？