Art and literature are not the rough approximations of themselves.

A rough approximation of the cost, made two years ago, was $24million, he said.

In the figure I has been set to unity, a very rough approximation.

The models remain rough approximations of reality in the desert.

Even so, any Windfinder knew how to make rough approximations.

I let my breath out cautiously, and gave him a rough approximation of a smile.

To a rough approximation, a tube of about 40 cm.

The pieces were laid out in rough approximation of the actual plane.

These results were accepted as being no more than rough approximations.

Over the crowds I spotted a board being held up with a rough approximation of my name on it.