They have a long life span of 14 to 20 years.

He had wanted that many times in his long span of years.

It was the longest span in the world from 1955 until 1997.

It is not clear which, if any, will enjoy a long corporate life span.

They did not have long life spans, thirty years being an average.

But the aging of the work force is not just about longer life spans.

But then, my stories always have gone over a long span.

An important one is financial security, particularly as medical advances lead to longer life spans.

After what seemed a long span of minutes, he finally said, "All right.

Afterwards, the young start to fly further away for a longer span.