Sentence examples for this is the core problem from inspiring English sources

This is the core problem".

This is the core problem of today's European Union: Lack of transparency and a democracy that has not yet fully matured.

This lack of accountability among economists and economic analysts is the core problem that must be tackled.

I knew that was the core problem.

Ultimately, that's the core problem.

It is and that's the core problem for the employer.

I believe that's the core problem of PC Gaming, piracy.

It is the core problem.

Crosstalk is the core problem in creating three-dimensional illusions.

It is the core problem lurking within the cacophonous Brexit debate.

"Protectionism in industrial countries is the core problem in the fight against poverty," he argues.