Shared memory is an efficient means of passing data between programs.
New technology allowed a much more effective and efficient means of producing sugar.
Attempts to impose the "most efficient" means have other problems.
It just so happens that a market system is, the most efficient means of distributing food.
As a result, more effective and efficient means of control have been called for.
Before the railway, water was the most efficient means of transport.
At the very least, you can consider my going home as the most efficient means of moving the investigation forward.
What if her one function was to lead them all to extinction, by the most efficient means?
It is a simple, reliable, and efficient means of power transmission.
Private cars may not be an efficient means of evacuating.