She has the 'rare' [='uncommon'] ability to make people feel comfortable even in difficult situations.
It is still 'rare' [='unusual'] for a woman to hold an executive position in some industries.
The little diner is a 'rare bird' in a city full of expensive restaurants.
(..) - Yes, it's a fine product. I saw you on The Tonight Show a couple of weeks ago. I was watching the show with my son Donald. He's got this rare immune deficiency in his blood. The damnedest thing. Doctors say he has to live in a plastic bubble. Can you imagine that? A bubble. - A bubble? (..)1992 TvShow: Seinfeld Title: The Bubble Boy Season: 4 Episode 7