However they are a very cost effective alternative to more exotic/expensive materials.
Is there so little faith in science that we can't find effective alternatives?
But it did not seem to occur to him, at least here, that there was an effective alternative to size.
Open Learning offers a flexible and cost effective alternative to traditional training methods.
Its popularity makes it difficult for the Democrats to mount any effective alternatives.
They were able, as would be their way whenever possible, to offer more effective alternatives.
There are very practical, effective and profitable alternatives to selling a medical practice to a hospital.
Our results show a high levels of commitment by both partners, and that these relationships are effective alternatives to standing alone.
But they lacked the resources and time to organize a truly effective alternative to the Front.
"It would be nice to find a clearly effective alternative to hormone therapy."