单词	gray literature
释义	gray literature noun : written material (such as a report) that is not published commercially or is not generally accessible Example Sentences Recent Examples on the Web There is no gray literature now: Everything is a magnet for immediate attention and misunderstanding. James Heathers, The Atlantic, 23 Oct. 2021 Word History First Known Use 1975, in the meaning defined above
随便看	court cupboard court dance court day court disaster court dress court game court gray court guide court hand court holy water court lands court leet court leets court of appeals court of cassation court of chivalry court of claims court of common pleas Court of Criminal Appeal court of delegates court of domestic relations court of dustyfoot court of errors Court of Exchequer court of first instance

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