多: many; much; more播: a surname组: group中: hit; fit exactly不存在: non-existent; nothingness用户: user; subscriber; consumer; ...多播组中已经存在该用户: this user already exists in multicast group该用户不在该多播组中: user not in multicast group用户组中不存在该业务用户: no such service user in user group多播组不存在: no such multicast group多播组中: iaddress is not unique in multicast group多播组已存在: this multicast groualready exists用户组中已经存在该业务用户: this service user already exists in user group多播组中ip地址不唯一: ip address is not unique in multicast group用户不存在: no such user; user does not exist多播组: multicast group用户组不存在: no such user group该用户: this user不存在: non-existent; nothingness 这一切将不存在。 all of these will dissolve into nothingness接入域名用户不存在: access domain user does not exist为（不存在的）利润而牺牲用户: sacrificing users to (supposed) profit该用户暂停: user in suspension多播组正在使用: this multicast grouis being used不存在；不存在的东西: nonexistence存在或不存在: presence or absence
