1.   It only remains to add that there is - damn it - a thin grey area between the two.

2.   Nowhere is it easier to blackmail than in the criminal underworld and the grey areas of conduct that surround it.

3.   The judgment leaves a large grey area and much scope for argument.

4.   There are far too many grey areas with endless different interpretations open to every side.

5.   There is one type of appeal which falls in the grey area between review and supervision.

6.   There were grey areas in what she had told him - or rather allowed him to believe.

7.   At the moment, the law on compensation is very much a grey area.

8.   Sometimes a contractual term lies in a grey area between the two.