0 a situation that is not clear or where the rules are not known: --
The difference between gross negligence and recklessness is a legal grey area.
Of course, there is a grey area and hence the consistent quotation marks.
There is, of course, a grey area between, the so-called partially restrictive defect, which may or may not become restrictive with time.
They occupy the grey area in which to-infinitival adjuncts melt almost imperceptibly into to-infinitival complements.
The grey area represents the stability region with the top and bottom lines representing the locations of the two feet.
The manufacture and retailing of condoms and chemical contraceptives has always been a grey area.
But there is also a large grey area where we don't know what to say.
Obviously, this suggests a potential grey area : hearers may not be sure whether either the lower order or the higher order intentions were present.
There is clearly a grey area (say, a significance between 1% and 25 %) where the results are suggestive but not conclusive.