pro·duc·tive /prəˈdʌktɪv, pro-/
 (a.)能生產的,有生產價值的,多產的
 pro·duc·tive /prəˈdəktɪv, pro-/ 形容詞
 生產的,有效驗的,產出性的,產生性的
 productive
 生產
 Pro·duc·tive a.
 1. Having the quality or power of producing; yielding or furnishing results; as, productive soil; productive enterprises; productive labor, that which increases the number or amount of products.
 2. Bringing into being; causing to exist; producing; originative; as, an age productive of great men; a spirit productive of heroic achievements.
    And kindle with thy own productive fire.   --Dryden.
    This is turning nobility into a principle of virtue, and making it productive of merit.   --Spectator.
 3. Producing, or able to produce, in large measure; fertile; profitable.
 -- Pro*duc*tive*ly, adv. -- Pro*duc*tive*ness, n.
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 productive
      adj 1: producing or capable of producing (especially abundantly);
             "productive farmland"; "his productive years"; "a
             productive collaboration" [ant: unproductive]
      2: having the ability to produce or originate; "generative
         power"; "generative forces" [syn: generative] [ant: consumptive]
      3: yielding positive results
      4: marked by great fruitfulness; "fertile farmland"; "a fat
         land"; "a productive vineyard"; "rich soil" [syn: fat, fertile,
          rich]