Sentence examples for known problem from inspiring English sources

"This is a well known problem, but it continues to get worse.

Among students of the contemporary metropolis, "food deserts" have become a widely known problem.

However, oxygen depletion during PDT is a well known problem.

This is a well known problem in estimation theory, and thus will not be discussed here.

The lack of availability of appropriate medicines for children is an extensive and well known problem.

How is Rubio, who has a known problem with becoming anxious, going to handle that?

This bureaucratic tangle is a well-known problem.

It's a pretty well-known problem in the Python community.

It wasn't a well-known problem established already.

This is the well-known problem of parameter identifiability.

Since tropes do not change they avoid the well-known problem for edurantists of temporary intrinsics.