When this absolute test is not met we are told that significant benefit or risk remains.
Those benefits remained in the last session - held two days after cortisol treatment stopped.
Even when a couple can afford the best legal approximation of a marriage, the benefits are limited and remain open to challenge.
"A public benefit of having a heavily armed citizenry remains to be demonstrated," he adds.
The same benefits remained and members now earned points for their travel.
The benefit of installing the meters remains to be seen.
But the jobs that such a project would bring and the tangible benefits to the city remain far off.
There remain some obvious benefits to staying with a desktop system.
Though any benefits to Nextel remain to be seen, the company could use a bit of image burnishing.
For now the tangible benefits of ownership remain far off.