w perspektywie czasu in English:

This is a good solution for now, but it won't work in the long run.

It seems a lot of effort but I'm sure it's the best solution in the long run.

in the long run it is not enough

1. Professor Leader believes Cameron will do better in the long run if he stops trying to progress so qucikly. 2. She would be a problem in the long run.

We are going to need twice as many employees in the long run.

Treating your supplier as a partner might bring far greater returns in the long run.

It doesn't pay off in the long run

Such situation is clearly not sustainable in the long run.