May I ask you what business you're in?

您能告诉我您从事哪个行业吗？

《柯林斯英汉双解大词典》

What business has a pick and a shovel here?

这里要镐和铲子干什么？

youdao

What business have you come here for?

有何贵干？

《新英汉大辞典》

ROCKFORD: "Oh yes, what business are you in now?"

VOA: special.2009.03.09

So, what business do you have to buy ads in newspapers announcing yourself.

因此对冲基金不能,在报纸上买广告位,为自己宣传

耶鲁公开课 - 金融市场课程节选

I mean, this is a really great place to do business, because almost regardless of what it is you do,

这里也是一个发展业务的好地方，因为不管你现在要做什么，

经济危机也能避开 - SpeakingMax英语口语达人

No matter what business you're in, at some point you'll have to talk about fees.

FORBES: Do Your Customers Trust You?

Now tell me what career you would pursue or what business would you want to begin.

FORBES: Does Being Passionate About the Work You Do Increase Your Chance of Success?

Some people might say, well, what business was it of Frank Ross to meddle?

NPR: Excerpt: 'True Grit'