Sentence examples for this problem remains from inspiring English sources

No doubt this problem remains.

This problem remains open for n≥5.

But the depth of this problem remains an open question.

However, relying solely on GO, this problem remains unsolved.

How transport planners get round this problem remains to be seen.

This problem remains distinctively for the hypersonic viscous and heat conducting flow.

Despite many interesting contributions to the literature on this, the problem remains unresolved.

This guarantees that the problem remains feasible as otherwise conflicting constraints could reduce the feasible set for x to the empty set.

Although some attempts have been made by compositional methods to address this task [ 47- 49], the problem remains unresolved.

Still, the problem remains.

But the problem remains pervasive.