"flourishing businesses"
"a palmy time for stockbrokers"
"a prosperous new business"
"doing a roaring trade"
"a thriving tourist center"
"did a thriving business in orchids"
1.
1. 繁荣发展的:5.infrastructure 基础设施 | 6.booming 繁荣发展的 | 7.tertiary industry 第三产业
2. 发展的:boomerang 回飞棒 |booming 发展的 | boomlet 小景气
3. 景气:boominess 箱谐振 |booming 景气 | boost compressor 增压器