This problem has been debated by many economists.とは 意味・読み方・使い方

This problem has been debated by many economists.

This problem bristles with difficulties both psychological and economical.

This problem is being discussed throughout the world.

Opinion is divided on this question.

There are conflicting opinions [Opinion is divided] on this matter.

There are several ways of approaching this problem.

This problem is being discussed amongst the public.

This problem is easy to argue about.

There were a lot of opinions, pro and con, on this question.

This problem has often been remarked upon.

Opinion is divided on this question.

The question gave birth to many sects.

Meeting a problem like this requires a lot of strength.

This phenomenon has been reported by several researchers.

This problem is worth discussing.

The problem is being discussed now.

We argue about this problem in sequence.

This is an argument material to the question in hand.

There were a lot of opinions, pro and con, on this question.

There is a serious flaw in this research.

Two schools of thought arose taking opposing positions [stances] on this issue [in connection with this problem].

The question gave rise to a public controversy.

The subject has been fully studied―studied to the fullest extent.

The question gave rise to a public controversy.

The question awakened a clamorous public controversy

The public raised an outcry on the question.

The question admits of no further discussion.

The question gave rise to a controversy.

I have said everything that can be said―left nothing unsaid―on the subject.

There are opinions on the pros and cons of this problem.