Sentence examples for difficult to demonstrate from inspiring English sources

It's been empirically a little bit difficult to demonstrate.

But the armpit effect has been difficult to demonstrate and some experts dismissed it as impossible.

"It was difficult to demonstrate how this was applicable to human welfare," said Fields.

It is difficult to demonstrate that an animal experiences pain and not just nociception.

Analyses can establish statistical relationships, but it has been difficult to demonstrate causality with any certainty.

Understandably so, as self-organizing biochemical cycles are difficult to demonstrate experimentally8.

Federal authorities largely rely on local enforcement of the law, and non-enforcement is difficult to demonstrate.

It's very difficult to demonstrate your love of an artist if you don't have something to hold on to".

And because the business had been part of a larger operation, its financial performance was difficult to demonstrate.

It is difficult to demonstrate conclusively what impact these programs have on school performance, because of all the variables.

"Hard evidence for effects in humans is difficult to demonstrate, though there are some exceptions," he said.