agen·cy /ˈeʤən(t)si/
 媒介,代理,機構,旅行社,通訊社;作用,動力,力量
 agency
 署 局
 a·gen·cy n.; pl. Agencies
 1. The faculty of acting or of exerting power; the state of being in action; action; instrumentality.
    The superintendence and agency of Providence in the natural world.   --Woodward.
 2. The office of an agent, or factor; the relation between a principal and his agent; business of one intrusted with the concerns of another.
 3. The place of business of an agent.
 Syn: -- Action; operation; efficiency; management.
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 agency
      n 1: an administrative unit of government; "the Central
           Intelligence Agency"; "the Census Bureau"; "Office of
           Management and Budget"; "Tennessee Valley Authority"
           [syn: federal agency, government agency, bureau, office,
            authority]
      2: a business that serves other businesses
      3: the state of being in action or exerting power; "the agency
         of providence"; "she has free agency"
      4: the state of serving as an official and authorized delegate
         or agent [syn: representation, delegacy]
      5: how a result is obtained or an end is achieved; "a means of
         control"; "an example is the best agency of instruction";
         "the true way to success" [syn: means, way]