英 [ˌɡreɪ ˈeəriə]
灰色地带：两个互斥的状态或类别之间的中间地带，边界模糊不清。
grey area //
可数名词 If you refer to something as a grey area, you mean that it is unclear, for example because nobody is sure how to deal with it or who is responsible for it, or it falls between two separate categories of things. 灰色区域 (难以处理、责任不明或范畴不清的事物)
At the moment, the law on compensation is very much a grey area.
当前，关于赔偿的法律很大程度上是一个灰色区域。
an intermediate area; a topic that is not clearly one thing or the other
同义词： gray area
（英）次贫地区（等于gray area）-引用次数：3
次贫地区
... grey market：半黑市 grey area：灰色地区（指失业严重地区） 1.gray hairs或gray heads特指老年人，源于人老之后，须发变成灰白之故。 ...
At the moment, the law on compensation is very much a grey area.
当前，关于赔偿的法律很大程度上是一个灰色区域。
Exactly what can be called an offensive weapon is still a grey area.
究竟什么可称作进攻性武器仍然难以界定。
Handling exceptions, on the other hand, is a grey area.
另一方面，处理例外是一个灰色的区域。
There is also a grey area here, let me say going back to what you were saying earlier.
这里还存在着一个灰色地带，我现在来说你刚才所说的话题。
人性课程节选 : 普林斯顿公开课
Like Airbnb, EatWith and other dinner-hosting start-ups operate in a grey area of the law.
As this case shows, there is often considerable grey area that encourages taxpayers to claim deductions.
It describes as a grey area the lawfulness of advocating or promoting terminations outside Northern Ireland.