In the past, Aetna approved treatment based on what it thought was the least costly approach among scientifically proven procedures.

Sailors are gravitating to a less costly approach to the sport.

This is a costly approach, especially compared with something like chip production.

They chose a much less costly approach to safeguard their families.

A less costly approach might be to subsidize doctors-in-training directly.

More expensive materials and machines are added only if the less costly approaches do not meet the desired goal.

It was also a strong indication that lawmakers want a more comprehensive and costly approach than the one President Bush recommended earlier this year.

That potentially more costly approach is not the thrust of the welfare bills now in Congress.

He added: "This is the right track and the least costly approach to getting everybody covered.

For those who only need to check their e-mail, there is an easier, less costly approach.