Sentence examples for been difficult to quantify from inspiring English sources

However, such patterns have been difficult to quantify through post-mortem neuropathology or in vivo scanning alone.

In the past, it has been difficult to quantify the financial impact of the fall in international student numbers in the net migration figures.

Many factors have been identified as contributors to risk of alcohol abuse but their relative importance has been difficult to quantify.

Research has been difficult to quantify, Duma said, because "no one knows how many times or how hard players have been hit".

Adam Rothberg, vice president for corporate communications at Simon & Schuster, said: "Everybody in the industry considers piracy a significant issue, but it's been difficult to quantify the magnitude of the problem.

Previous research has revealed links between groundwater depth and tree condition; however, critical thresholds which might indicate ecological 'tipping points' associated with rapid and potentially irreversible change have been difficult to quantify.

This is difficult to quantify.

Fielding performance can be difficult to quantify.

But he says it is difficult to quantify.

Many would argue that culture is difficult to quantify.

"At this point, it is difficult to quantify what was given off," he said.