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  1. do duty as

    • ph.
      serve or act as a substitute for something else
    • 相關詞
    • ph.
      serve or act as a substitute for something else

    Oxford American Dictionary

    • ph.
      serve or act as a substitute for something else

    Oxford Dictionary

    • 更多解釋
    • ph.
      serve or act as a substitute for something else

    Oxford Dictionary