Sentence examples for most persistent problems from inspiring English sources

But critics question a system that fails to curb the most persistent problems.

Attrition and fragmentation of natural habitats remains one of the most persistent problems for conservationists.

For Thomas Cook the UK has been the source of the most persistent problems in recent times.

But the most persistent problems are caused by industrial pollution from relatively distant sources, especially coal-fired power plants, according to pollution experts.

For the city, the program offers an ideal solution to one of its most persistent problems: how to deal with urban blight.

Doing more work at home is one way to help solve some of the country's most persistent problems, a way which promises major benefits without hardships.

While there are a few laugh-out-loud moments, the show still exhibits its most persistent problem: sacrificing its characters for throwaway jokes.

The refusal or inability to tolerate the independence of law enforcement officials remains the source of Trump's most persistent problem.

In responding to crises, the most persistent problem is that of collaboration — people with information and equipment who are unable to share it with those who need it most.

But the most persistent problem with U.S. strategy in places like Somalia and northeastern Nigeria has been the inability of local armies to secure militant-occupied spaces in a lasting way after troops move in to flush them out.

Nevertheless, the F.T.C. says robocalls are its most persistent problem, generating roughly 200,000 consumer complaints each month, even though the agency says it has stopped many of the businesses responsible for the billions of robocalls made each year.