Sentence examples for been difficult to measure from inspiring English sources

The health effects from other long-life radioactive elements, like cesium and strontium, have been difficult to measure.

Moore's teams rely on defense (which has been difficult to measure) and contact hitting, which the experts regard as heavily influenced by chance.

While the effectiveness of such unconventional measures has been difficult to measure, the majority of economists think they have proved superior to a counterfactual policy of doing nothing.

But it has been difficult to measure the actual cognitive functioning of soccer players right after they have been heading the ball, in part because the equipment required is complicated or lab-based.

Up until now it has also been difficult to measure.

Unfortunately, these have been difficult to measure because β-lactams form covalent adducts with β-lactamases.

But any progress was difficult to measure.

Their function is to deter, which is difficult to measure.

Whether the game was a success is difficult to measure.

But the war's effect is difficult to measure.

"It is difficult to measure a personal tragedy.