This, in part, explains why there is a long-standing debate over just how freely a free market should be allowed to operate.

There has been a long-standing debate among philosophers and theologians.

The relationship between age and the ability to learn languages has also been a subject of long-standing debate.

The long-standing debate surrounding Gastornis is the interpretation of its diet.

But there is a long-standing debate in education about creativity and the need to inject more of it into teaching.

There has been a long-standing debate about the oligomeric state of the complex in the cell.

Smith's decision to deny some students admission if the school cannot give them enough financial aid has also renewed a long-standing debate.

There is a long-standing debate as to how this situation could have arisen, and the question is not yet resolved.

I say finally, as this is a long-standing debate.

There is a long-standing debate over whether human influence on various natural landscapes can be beneficial, especially when it comes to agriculture.