However in many cases such signals are not produced because there are no markets or only imperfect ones.

You'd only get the imperfect ones if you came back here.

"Well, she also produced imperfect ones that didn't hatch."

And the most beautiful buildings, he noted, tend to be the ones, imperfect though they may be, that are enjoyed and experienced every day.

Under their cynical facades, these women are endless optimists about ideal relationships, even as they settle for fleeting, imperfect ones.

There, gleaming stainless-steel machinery sorts the fish according to size, culling imperfect ones and sending them to a fish-meal factory.

Or one can keep buying seemingly perfect bags, and end up with a lot of imperfect ones.

But imperfect ones are all too possible.

The imperfect ones, the ones with a clearly evident solution, well, if they were important, you've solved them already.

No, but for panorama-loving visitors, there are plenty of perfectly imperfect ones.