The authors recognize that the unilaterality of the marketing offer can not be sustained.

This of course poses a problem in writing which the author recognizes while deciding on separate chapters for each aspect.

It is, however, a complex genus, and some authors may recognize different numbers of species.

Some authors have recognized as many as 10 species.

But at least the authors of these plans are trying to help those most in need, and recognize that the market needs fixing.

Perhaps the author should recognize that the 'posh' people to whom she refers can't change the way 'they' were brought up.

Other authors throughout the 20th century, and up to the present day, recognized the story.

The author recognizes how much of it has still survived.

Most authors now recognize this group as its own taxon.

But is it not desirable to encourage authors to recognise their social responsibility?