It was no longer his duty to guarantee its future.

In so doing, he has guaranteed the firm's future and further enhanced its powers.

But neither does installation's recent success guarantee its future.

But she can save money for her own children's education, she says, and try to guarantee their future against disaster.

These actions will help guarantee the orchestra's future as a "vital American institution."

Here, then, is my long-term plan to guarantee our future.

The companies involved have no technical experience of Windows and couldn't guarantee its future.

It was the only way I could see to guarantee my future.

Suggesting it was the only way she could guarantee her future, she added, "I don't want to give up."

With one film he's guaranteed his future as a director.