He predicted a substantial drop in poverty and dependency as a result.

Most bond fund returns over the last three years have been extraordinary, thanks to a substantial drop in interest rates.

"That is quite a substantial drop and if this continues I will have to leave my practice," he said.

In both cases, those figures are a substantial drop in support from four months ago.

That represents a substantial drop, 7 percent, in less than three weeks.

"It could be five years before you start seeing a substantial drop," he said.

The scientists said that, over all, there has been a substantial drop in the rate of wetlands destruction since the 1970's.

We had a substantial drop in the first quarter of this year.

This was a substantial drop from its record performance in 1988.

That substantial drop did not show up in their spending, however.