The phrase 'has always been discussed' is correct and usable in written English.
You can use it to refer to a topic that has been discussed several times in the past, usually in the context of a continuing conversation or debate. For example, "The issue of gun control in the U.S. has always been discussed, but no agreement has been reached yet."
While antibodies are very efficient, their cost-effectiveness has always been discussed owing to their high costs, accumulating to more than one billion dollars from preclinical development through to market approval.
Classically, OER has always been discussed in the context of altered cerebral perfusion due to hypotension and hyperventilation [ 49] as increased OER reflects insufficient cerebral perfusion.
On my visits to the various capitals, Serbia has always been discussed in detail, and I can tell you that views on the issue are very similar and that everyone is prepared to do whatever is most effective.
(Within the phenomenological tradition intentionality and perception had always been discussed together: see the entry on phenomenology).
Gyllenhaal has always been relaxed discussing work, if not much else.
The Royal way has always been to discuss the folding stuff as little as possible.
Nowadays, these undergraduate students are critical thinkers who have been born into a world where anthropogenic climate change has always been an issue discussed and debated in the public arena.
Yet Sillitoe has always been reluctant to discuss his writing in terms of easy journalistic formulations.
Feminism has always been good at discussing women and work, but traditionally has been poorer at seeing the bigger picture.
James, 60, who is managing director of PPL, has always been willing to discuss the ethics of cloning animals from a single cell.
TONY BLAIR is a deeply devout man and he has always been wary of discussing his religion with others not just with the general public but even in private with political leaders who happen to share his Christian convictions.
