It is among the most expensive forms of broadband Internet access, but may be the only choice available in remote areas.
Reform called child benefit "among the most expensive forms of middle-class welfare".
When inequality is higher the poor do not shift to less expensive forms of participation.
So it is a more expensive form of education.
This is often the least expensive form of rowing machine.
Its the most expensive form of public transport ever developped.
Emergency care is the most expensive form of health treatment available and those costs can be brought down drastically through preventive programs.
Eggs are perhaps the most classic and certainly least expensive form of protein.
A. Generally speaking, having a baby sitter at home is the most expensive form of full-time care.
It is usually the most expensive form to manufacture.