The movie business, however, is cyclical; the current boom may not last.

They knew that the boom in students wouldn't last.

The buildings look thrown together, as if no one had believed that the boom might last.

Whether the boom in prices for Chinese art will last is anyone's guess.

But whether the boom will last is another matter.

"We'll just have to wait and see if this particular boom lasts."

Yet it is difficult to predict whether the boom in the financial services sector will last.

You'd be amazed at how many people think China's boom will last forever.

This boom lasted until the first half of the 1980s.

Property men are asking themselves whether this boom can last.