In the inculpatory act of rescue which implements for other people's benefit, the key question should solve is how to deal with relation between emergency people and beneficiary.

在为他人利益实施的攻击性紧急避险中，应解决的关键问题是如何处理避险人与受益人的关系。

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"It also allows a group of people in the deaf and signing community who may in the past have found it difficult to communicate with the police and other emergency services and to deal with us in confidence, " he said.

BBC: NEWS | UK | Northern Ireland | Emergency text service for deaf