The unusually low interest rates of the last three years have been an enormous boon to almost every corner of the American economy.

"I've invited some singers for after dinner," the older man announced with the air of someone offering an enormous boon.

These have been an enormous boon to the company.

Fire was an enormous boon to hominids.

Deregulation has been an enormous boon to the industry.

This development will be an enormous boon to the whole city.

When they were first introduced they were an enormous boon to the farmer and the initial response was almost euphoric.

This represented an enormous boon to medical and biological research.

What an enormous boon to bestow on King Stephen!