Sentence examples for has been a persistent area from inspiring English sources

The ideal substrate environment that promotes cellular proliferation has been a persistent area of interest in tissue engineering.

The economic health of the nation has long been a concern to people of faith, because we care for the poor, and poverty has been a persistent problem in rural area and urban centers alike.

U.S. poverty has been a persistent problem.

In Irbid, housing has been a persistent issue.

This has been a persistent problem for him.

Like NatWest it has been a persistent under-achiever.

Why they do this has been a persistent mystery.

In addition, corruption has been a persistent problem.

There has been a persistent troll lately who has been disrupting the room.

Fines for people who have been a persistent nuisance and harmed the quality of life in an area.

Uneven performances, however, have been a persistent problem.