the state or fact of being the person who wrote a particular book, article, play, etc.(书、诗、文章等的)作者(身分);写作活动
The article is of unknown authorship (= it is not known who wrote it).这篇文章的作者不详。
She is being attacked for her authorship of the policy document.她因起草这一政策性文件而受到抨击。