My father is absent on business.

My father went to Hong Kong on business.

My father often goes abroad on business.

My father often goes to America on business.

They start for Europe on business.

He traveled on business.

He went to Tokyo on business.

He is absent on business in Osaka.

Business carried him to Kobe.

He came up to Tokyo on business.

He went there on business.

He often goes abroad on business.

He went to New York on business.

He makes frequent visits to Japan on business.

His uncle went to Europe on business a week ago and he is now either in London or in Paris.

I have a business visa.

I had to see someone on business.

Can I switch over from a sightseeing visa to a business one?

Now and then, we go to London on business.

Are you here on business or for pleasure?