He is studying computer science at a specialized school.

That unsolved problem keeps him awake at night.

That unsolved case keeps him awake at night.

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.

The process of name resolution is very important in computer networks.

No problem, I will do that job.

That proposal is completely unthinkable.

As a practical question, how are we going to fund this project?