ならでは

Etymology
(negative conjunctive form of classical copula ) +

Phrase

 * 1) unique to ...; peculiar to ...; only applicable to ...
 * 2) if [something] is not ...; unless [something] is ...
 * 1) if [something] is not ...; unless [something] is ...

Usage notes

 * In sense 1, noun + behaves like a noun and is used
 * to modify another noun: noun 1 + +  + noun 2
 * in the predicate: noun + + copula
 * Tends to be used for positive situations.