Sentence examples for discernable expertise from inspiring English sources

Why can a particular group of people with no discernable expertise enact "law", while a different group of experts cannot?

easily discernable.

than expertise".

But there may be one discernable difference between the two.

The United States has never played with a consistent, discernable style.

Economic expertise.

Solicit expertise.

My expertise.

You are selling expertise.

Their expertise is unquestioned.

Their expertise is extraordinary.