A secondary reason appears to be to attract more national attention to the university, something that basketball accomplished to an extraordinary degree in the 1990's.
Finding a circle of friends and making money are secondary reasons.
The secondary reason is that they are preyed upon by feral dogs and cats.
Depriving the Alliance of this valuable prize is a secondary reason for what we're about to do.
The secondary reason is that the distinction can make sense from the knowledge base modeler's perspective.
Unless there was a secondary reason, maybe to reassure someone or to drive home a point extra hard, you didn't tell somebody what they already knew.
Foliage was the secondary reason for our visit.
A secondary reason is that it might bring in people who might then avail themselves of our services.
The secondary reasons for the attack, which had made it desirable but not necessary, included a desire :
It was an "unconscious impulse", an "almost secondary reason" for the movement of the tribes.