These obstacles by no means present insurmountable challenges to green libraries.

We will meet our present challenges and put our county once again on the road to prosperity.

We did not ask for this present challenge, but we accept it.

Libyan legal requirements on foreign companies present challenges with respect to their operations.

The changes, of course, present new challenges to a business magazine.

To bow to such pressures would be the worst response to the present economic challenge.

In order to overcome the present challenges, culture should be partially funded by the private sector.

These properties also present serious environmental challenges to the growth of heavy oil production and use.

Such very old vehicles present challenges to today's collectors.