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  1. back door

    英式

    • n.
      the rear door of a building.;achieved by using indirect or dishonest means
    • noun: back door, plural noun: back doors

    • 釋義
    • 片語
    • n.
      名詞
    • 1. the rear door of a building.
    • 2. achieved by using indirect or dishonest means:

      a back-door tax increase

    • 3. a feature or defect of a computer system that allows surreptitious unauthorized access to data.