Sentence examples for one problem is from inspiring English sources

One problem is getting people to focus on this matter.

One problem is identifying staff who work on research.

One problem is, the government will tax you on it.

One problem is geography.

One problem is straightforward.

One problem is costs.

One problem is cronyism.

One problem is Russia's workers.

One problem is solvable.

One problem is language.

"One problem is driving the other".