They offer a refreshing, grown - up approach, which has become something of a rarity in the current market. (cv-library.co.uk)
He seems a genuinely decent person — something of a rarity in the film — which makes you wonder about his back story. (flickeringmyth.com)
Because of the rarity of that event, telescopes around the world and in space adjusted their gaze to study the aftermath of the explosion in detail. (sciencedaily.com)