"However, if a problem is restated often enough, in different words, a solution sometimes emerges."

A lot of people work on this, but no easy solutions have emerged.

To date, although a number of approaches have been tried and used, no single clear solution to this problem has emerged.

As technology advances, other solutions to the paper problem will undoubtedly emerge.

A creative solution to a social crisis may emerge from minds at play.

It is very difficult for me to say what solutions will emerge.

Various schemes have been developed to overcome this; however, no general solution has yet emerged.

When you spend this much time on a problem, generally a solution will emerge.

We must not be afraid of an open debate, for it is only through dialogue that possible solutions can emerge.

Are we facing chronic pollution, which will last for years, or is a solution emerging?