[guān fāng]
authority; of or by the government; official; authoritative figures [estimates]
in an official capacity
以官方身分
official (and semi-official) relation
官方(和半官方)关系
So far no authoritative figures are available as to the persent telephone ownership in this city.
迄今为止, 此城市电话的拥有数量尚无官方统计数字。