She believes her books can last as long as 10 years.

Very few are capable of lasting as long as five years.

He said this period of study could last as long as two years in some cases.

The Administration has directed military officials to plan for a presence that could last as long as 5 to 10 years, the official said.

That's a good thing because it can last as long as 30 years when cared for properly.

Some critics predict the tax breaks will last as long as 99 years.

It is more than 30 percent smaller and intended to last as long as five years.

"Do you think it will last as long as six years?"

For some, however, symptoms may last as long as two years.

The trial could last as long as five to ten years.