He is studying computer science at a specialized school.

He is a specialist fool, with no interest in anything outside his field.

He couldn't say anything about issues outside of his field of expertise.

There are many different specialty stores in this town.

He always supports my opinion.

I carry my lunch box every day.

Could you bring my notebook?

He brought me an old map.

He showed me his new toy.

That idea is just right, exactly what we needed.