These issues were seen as "unique challenges of faith presented by the times in which we live".

Your business will have its own needs and unique challenges.

The unique challenges of this mission didn't seem to affect him.

The enforcement of policies is becoming quite a unique challenge.

Looking for water in this way has presented some unique challenges.

So, it presents a unique challenge for him, where he's in a position I feel like he needs to carry us.

Each day presented its own unique challenges for planning strategy.

It was a unique challenge, but also a costly one.

Administrators who work at the department and college level have unique challenges.

But, while rewarding, getting pregnant can be its own unique challenge.