The Three-Party Service enables a user to establish a three-way conversation, i. e. a simultaneous communication between the served user and two other parties.

三方业务使用户能建立一个三方通话，即在被服务的用户和另两方之间同时进行通信。

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This Recommendation provides the stage 2 service description of the Three-Party supplementary service.

该建议提供三方补充业务的第2级业务描述。

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Despite (mostly) shielding their children from press attention, all three current party leaders claim inside knowledge of the National Health Service and the strains of balancing work and family life.

ECONOMIST: Bagehot