Sentence examples similar to constitute a difficult challenge from inspiring English sources

But this can be a difficult challenge.

Removing him "will be a difficult challenge," Ms. Hubbard conceded.

Long-term care constitutes a difficult and expensive challenge in any health system.

An attempt to recreate a human kidney in vitro by means of a scaffold constitutes an extremely difficult challenge.

It's a difficult challenge.

Mr Penley faces a difficult challenge.

A difficult challenge to moral realism is the "evolutionary challenge".

That's not a difficult challenge.

The engineers face a difficult challenge.

"And that is a difficult challenge".

The Global Fund has a difficult challenge.