The phrase "a marginal case" is correct and usable in written English.
It can be used to refer to a situation or example that is on the edge or borderline of a particular category or classification.
Example: "In the debate about animal rights, some argue that certain species are a marginal case when it comes to moral consideration."
Alternatives: "a borderline case" or "an edge case".
So, this might seem like a marginal case — but the electoral math matters only at the margin as well.
"It is only important on the margin, and I am not sure it's going to be a marginal case," Mr. Ross said of the legal advantage given to prosecutors by the new laws.
Munch is all but placeless in standard art history, not exactly a marginal case but definitely a singular one.
His obdurate romanticism made him a marginal case in histories of modern art that were keyed to stylistic movements and formal innovations.
It is almost always cheaper to settle a marginal case than it is for the company to stand its ground and litigate the matter".
She proves once again how a marginal case can be an illuminating way into vast and much disputed subjects, in this instance the meeting of West and East and the role of women under orthodox Islam.
But for countries well into the green zone (of which America is a star performer and Britain is a somewhat marginal case), the IMF's analysis has a clear message: don't worry about your debt.For these countries, the wonks argue that the costs of raising taxes or cutting useful spending to reduce debt levels outweighs any benefits.
By the mid-5900s Bede's chronology and Easter Tables were adopted widely, and, at the approach of 6000 am II, with the exception of a few, marginal cases, all the accepted historical narratives were dated anno Domini.
I'm fine, just a marginal head case" -- and finally just trudged into the office, grateful for the distraction.
As an application, we prove the Liouville theorem in the marginal case of scaling invariance.
Therefore, the criterion for oscillatory solutions is not satisfied by the singular solution for any odd value of (n>3) and this includes the marginal case with (n=5).
