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  1. blind alley

    英式

    • n.
      an alley or road that is closed at one end; a cul-de-sac.;a course of action leading nowhere
    • noun: blind alley, plural noun: blind alleys

    • 釋義

    名詞

    • 1. an alley or road that is closed at one end; a cul-de-sac.
    • a course of action leading nowhere many technologies that show early promise lead up blind alleys