The phrase "a unique cause" is correct and usable in written English.
It can be used when referring to a specific reason or factor that is distinct or one-of-a-kind in a particular context.
Example: "The charity was established to support a unique cause that addresses the needs of underprivileged children in remote areas."
Alternatives: "a distinct reason" or "an exceptional factor."
Supporters of this event are movers and shakers in the trenches of this often-grueling process, so why not celebrate its successful completion by raising a glass with peers while bidding on art to support a unique cause?
That's why Berggruen, who five years ago started the the Santa Monica, California-based Berggruen Institute -- an independent think tank that focuses on policy and governance -- this week launched a new chapter in his life's work with a unique cause.
Most death certificates listed a unique cause of death.
Hyperprolactinaemia is usually considered a unique cause for oligo/amenorrhoea; however in the present case it was included due to the potential co-existence for elevated prolactin, LH and PCOS, [ 32, 35].
The MD records contain personal data (first name, last name, date and place of birth, residence and fiscal number) and a unique cause of death, codified with ICD-9 codes (according to rules of national institute of statistics, adapted from World Health Organisation indications).
Our arguments and numerical experiments demonstrate that the inadequate dissipation associated to the shear wave may be a unique reason to cause the instability.
The US researchers agree that civil unrest never has a simple or unique cause, and that the civil war in Syria is no exception.
The sculptor advises his models not to smile, but the former New York Giants player wanted to show off his signature feature and was not for budging: "I presented a unique challenge, cause I told him I wanted to smile.
STEIN: That would be a unique common cause.
Finally, Alström and Cohen syndromes [ 41, 42] are associated with childhood truncal obesity and have a unique genetic cause.
The independence of gaze following and disengagement of attention measures at 14 months, speaks against the hypothesis that poor attentional control could be a unique primary cause of autism, with subsequent cascading effects on gaze following (no relationship was found between disengagement of attention at 7 months and gaze following at 14 months, either; Bedford, 2012).
