grey area

1. N-COUNT 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。