The phrase "expensive role" is grammatically correct and can be used in written English.
It typically refers to a position or responsibility that comes with a high cost or expense. Example: "The CEO's expensive role in the company requires him to make difficult financial decisions on a daily basis."
This was the least expensive program role (graduate students in social work were hired and paid $10 per hour).
What's expensive: education, roles, processes and agency costs.
This "zone" is unnerving to Pentagon types in part because the vast majority of the Pentagon's funding goes to conventional weaponry that's as subtle as a sledgehammer: big-ticket items like aircraft carriers, nuclear submarines, main battle tanks, strategic bombers, and wildly expensive multi-role aircraft such as the F-35 (now estimated to cost roughly $1.4 trillion through its lifecycle).
That jumped to 20,000 new accounts per month once Eko took a more expensive hands on role to managing the grocers.
To which I would counter: If you can't let Carrey be Carrey, put someone boring and less expensive in the role.
Nuclear weapons are very expensive weapons seeking a role and a purpose in the post-cold war world.
First, in those days, lasers were bulky, expensive devices, whose only role in the cinema was to threaten to cut James Bond in half.
The investigation began with plans to regulate how insurers set about putting drivers back on the road after accidents, addressing the role of expensive middlemen such as brokers and claims management companies and tackling the soaring costs of credit hire.
It might also reduce the role of expensive test-prep tutors, who often work for years with students as they take the test over and over.
Student lending reform could have passed the Senate long ago, but because it had to wait on health care, the lobbyists have had plenty of time to chip away at the Senate and make inroads for their "compromise," which would carve out billions to preserve their role as expensive and unnecessary middlemen.
