So a friend of mine and I started a business. We did training and consulting and programming.

这样我的一个朋友和我开始了这个生意，我们做培训，提供咨询，编程序。

youdao

I started a business in the fitness industry several years ago, and at one point I was planning to purchase two fitness centers.

我几年前在健身行业中创业，我还曾一度计划购买两个健身中心。

youdao

I was just sitting there, minding my own business, when a man started shouting at me.

我就坐在那儿，也没招谁惹谁，忽然有个男人对我大喊大叫。

《牛津词典》

Later on, I started a business process outsourcing company and took a leave of absence to pursue it full time.

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As you point out, I was very active in local government, but I'm really running as a guy that started up a business from scratch, and I think maybe that experience is pretty good in the halls of the U.S. Senate - somebody who hasn't been on the public payroll but has met a payroll.

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While working to defeat my debt, I started a small computer consulting business.

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