The phrase "long-standing role" is a correct and usable phrase in written English.
You can use it to describe a role or responsibility that has been in existence for a long period of time. For example, you might say: "The monarchy has had a long-standing role in the politics of the country."
Men's long-standing role in the household had become a distant memory.
The decision ended a power struggle that began after the 1998 general election, when the small but once influential party lost its long-standing role as kingmaker.
Ours is a different view, one that harmonizes this court's decisions about federalism with its long-standing role in interpreting the Constitution and laws.
There are a few reasons for that lag, including the party's own failures, the right-wing views harboured in opposition by the Tory Party and the long-standing role of the Lib Dems as a repository for protest.
The presence of a sizable Timorese population, largely the result of political unrest surrounding the independence of East Timor Timorr Leste) in 2002, reflects Darwin's long-standing role as a haven for refugees from Asia.
"Unless I hear from Congress that I should not be responding to a crisis situation, I think that it's a long-standing role of the central bank to use its lender-of-last-resort facilities," Ben Bernanke, Mr Greenspan's successor at the Fed, said last month.
Given the long-standing described role of mitochondria in cellular metabolism and oxidative stress, and emerging data describing its role in innate immunity, our findings may be of likely high significance.
In ELSA multivariate logistic and linear regression analyses were first used to test if absolute wealth was related to the health factors examined (i.e., self-rated health, presence of a long-standing illness, role limitations because of illness, pain levels, allostatic load levels, and obesity).
While there is bipartisan consensus on the need for such legislation, it should adhere to the following priorities: (1) carefully safeguard privacy and civil liberties; (2) preserve the long-standing, respective roles and missions of civilian and intelligence agencies; and (3) provide for appropriate sharing with targeted liability protections".
For many of its long-standing practitioners, their role has followed a similar trajectory, expanding as the range of areas for which schools are responsible has multiplied until it has become an accepted part of school management.
This situation persists despite its long-standing and fundamental role in the activities of the majority of psychologists and despite intense scientific enquiry.
