"theoretical concerns" is an acceptable phrase to use in written English.
You can use it when referring to ideas or topics that are based on theories or hypotheses that are yet to be proven. For example, "The professor discussed the theoretical concerns of his research project before presenting his findings."
These are no mere theoretical concerns.
My theoretical concerns were soon overtaken by practical ones.
But Mr. Bloomberg has clearly had more than theoretical concerns about the issue from the start.
"I have real theoretical concerns," said Dr. J. William Langston, director of the Parkinson's Institute in Sunnyvale, Calif.
Such theoretical concerns may seem far afield from issues of horsepower (300 from a 5.4-liter V-8) and torque (355 foot-pounds at 2,750 r.p.m).
It is unclear, whether banks under the Dodd-Frank financial overhaul law are allowed to hedge only against specific risks rather than theoretical concerns.
Google Books has suffered problems in the past: practical problems – lawsuits from publishers and authors, criticism of its inconsistent metadata – and philosophical problems involving the theoretical concerns of allowing a private sector company to control shared cultural resources.
"Restricting information for theoretical concerns is not what we are here to do," Dr. Heilman said, adding that he was not impressed by the predictions of harm from those who sought to keep the Rorschach plates secret.
The more obvious this has become, the more our theoretical concerns have turned into active opposition to these reforms, leading to the BMA to move to a position of total opposition to the Bill in November last year, a move which is fully endorsed by the GPC, and subsequently supported by a growing number of professional bodies.
These are not theoretical concerns.
These are not merely theoretical concerns, but that which transcends, or is beyond, life.
