The three partners have separate roles.
Modernisation condensed labour into separate roles.
In the animal realm there are also separate roles for men and women.
While he and his more eccentric brother are business partners, they now play separate roles in their ventures.
The first is complementarianism, which finds beauty in the idea of men and women holding rigid, separate roles: men lead and women provide support for men.
For part of the set, they took turns in separate roles: Mr. Marsalis on timpani, Mr. Powell on drumset and Mr. Riley on congas.
After a few swipes of the blue pencil, three acts were reduced to two; 24 separate roles, not counting extras, were pruned to 16 and assigned to a cast of 11.
And in instances where different entities are responsible for different parts of the loan — one company might service the loan, another might process payments — the government could take over these separate roles, and compensate the various parties.
The first minister, who retained power after the Scottish National party's emphatic victory in the Holyrood election last week, will split the post of finance secretary into two separate roles in a cabinet reshuffle next week.
What is clear is that the burden of preparing two separate roles has been more daunting than anticipated; opening night was originally scheduled for this Thursday but was postponed a week.
In addition to their importance in cooperating with B cells that secrete specific antibodies, T cells have important, separate roles in protecting against antigens that have escaped or bypassed antibody defenses.
