"There is a clarity of design here that once perceived must be believed."

Minority Influence has shown itself to be an effective factor with regards to recycling which was once perceived as a fringe activity.

As with many illnesses, the cure is simple, once perceived.

Where nature was once perceived as hostile and disastrously potent, it is now fragile.

Such books are less about the countries they describe than about the way foreign cultures were once perceived by outsiders.

While he was once perceived as hard-nosed and cold, he now seems more relaxed.

Recent research, however, suggests that these two variations may not have been as similar as once perceived.

Such measurements have increasingly been showing how pollution that was once perceived as local is, at least in part, global.

What was once perceived as so bright it was fake-looking is now considered fabulous.

But investors say the broader risk is that Russia's telecommunications sector, once perceived as safe, has hit difficulties.