The longer term impact of these conditions has not been determined.

But the longer- term impact, if any, isn't yet clear.

Transition to a single market can have short term negative impact on some sectors of a national economy due to increased international competition.

His original insights and ideas have had a long term impact on astrophysics.

We don't yet understand what the long term impacts are going to be.

The firm's revenues grew 10% during the same period, though its long term impact remains unknown.

Environmentalists, however, argued that the survey will have a long term adverse impact on the forest.

There was almost no long term strategic impact to this raid.

He did notable work on long term impact of patients with spinal cord injury.

Sustainability: all actions are designed to have a long term impact without continuing external support.