"It's still too early to tell the exact impact, but there could be a slight drop in orders," she said.

But he said the exact impact was "hard to predict."

"We still have trouble understanding the exact impact," said Rob Holden, one of the health organization's planners.

Reliable information about the exact ecological, cultural, and economic impact of wild dogs does not exist yet.

What are the exact local and regional impacts of climate change?

The exact impact was hard to gauge because no financial details of the new arrangements were released yesterday.

Without direct measurement, it is very hard to predict the exact impact of the Yarkovsky effect on a given asteroid's orbit.

Of course, its exact impact on learning is still up for debate.

I should therefore like to know the exact impact of that threshold.

Of course, it is hard to determine the exact impact these sites are having.