So it was a natural transition for him, he said.

Menopause is a natural physical transition that every woman experiences as she ages.

Those are not natural transitions, and they elicit different kinds of responses.

"After our seven-hour discussion, it seemed a natural transition," he said.

The lights allow a natural transition from night to day and vice versa.

Ms. Wallace, meanwhile, is making the natural transition to film production.

That investors' attention has turned toward software is a natural transition.

From that, by natural transition, they went on to submarines.

It's a natural transition, I told myself, so why take drugs?

It was a natural transition to go from tar heroin to black ice.