I was probably one of the few with his mind on the business at hand.

She had to keep her mind on the business at hand.

I had to keep my mind on the real business here.

The university said he left the country on important business.

He would be away on business, and we could have the place for a week.

One day, however, the old man went to the city on business, which he had not done for three years at least.

"As a matter of fact she is going to America on business for me almost at once."

I'm going to be out on important business for the rest of the day.

When he went away on business, did she go to him then?

He was said to be out of the country on business.