They seem to me to be one more example of computer technology's struggling to create a demand where a need does not exist.

The practice might not know that a need exists and may be able to help.

But the need for such conversion calculations did not yet exist.

If a need exists, are you willing or able to work with your local government officials to get a program started?

"If the need exists, this is precisely the time to do it."

He added that a serious need had existed for a better system to insure the future of American business.

I find the need to live rather than to just exist.

But such leaders only appear when the psychological need for them exists.

If specific needs still exist in training camp, they would be dealt with then.

If such a need did exist, surely it should be the work of each national government to look at the appropriate problems.