Knowledge of art is a specialism that revels in exclusiveness.
Judicial accounting technology is a specialism means to investigate and prosecute economic crime case.
His specialism is game theory, a branch of maths that studies how people negotiate with each other.
Due to the specialism and professionalism of the heritage conservation work, some of the units have met some specific problems in the work of archiving recording files.
I found it impossible to gain a toehold in academia: no one wanted my specialism and my first degree was in a different subject.