1. Industry insiders said it is very rare for screws to be found to be missing from a plane that has undergone routine maintenance.
2. It's believed to be a very rare mutation, not an excuse for the rest of us who stay up too late.
3. It is very rare for the conductor and percussionist to be the same person at a concert.
4. be very rare
4. He said imported food - which used to be rare and expensive in supermarkets and department stores - is no longer very pricey.