Sentence examples for complex and difficult from inspiring English sources

This is a complex and difficult subject..

That made it complex and difficult.

A reaction to an increasingly complex and difficult, changing world?

"Addiction is a very complex and difficult thing," he says.

Many opera roles are long, complex and difficult.

We know how complex and difficult it is.

WASHINGTON — Diabetes has always been a complex and difficult disease.

But it does raise complex and difficult questions.

Apparently, is simple, but is very complex and difficult issue.

Simulation models are complex and difficult to build and run.

This makes resource management inherently complex and difficult to orchestrate.