grey area

Etymology
Because grey is a blend of black and white, and thus a for how an  nature is a blend of  and.

Noun

 * 1)  An area intermediate between two mutually exclusive states or categories, where the border between the two is fuzzy or ill-defined.
 * 2)  A topic that is not clearly one thing or the other, that is open to interpretation.
 * 1)  A topic that is not clearly one thing or the other, that is open to interpretation.

Translations

 * Chinese:
 * Mandarin: 灰色地帶
 * Danish: gråt område, gråzone
 * Finnish: harmaa alue
 * French:
 * German:
 * Japanese: グレーゾーン, 灰色の領域
 * Norwegian:
 * Bokmål:
 * Nynorsk: gråsone
 * Polish:, , obszar niejasności
 * Russian: се́рая зо́на
 * Swedish: