仅供内部参考的资料、报道等internal reference materials

• 1981年7月，一家报纸的“内参”，仅凭一些片面情况就登载“调查”。

  In July 1981, a newspaper's internal reference materials published a "survey" only based on some one-sided situations.

• 本报群工部主要通过报纸、内参和信访三种途径，反映群众呼声、进行舆论监督。

  This newspaper's mass work department primarily uses three channels – newspapers, internal reference materials, and letters and interviews – to reflect the voice of the masses and monitor public opinion.