self-publishing       
noun [ U ] uk/ˌselfˈpʌb.lɪʃ.ɪŋ/ us/ˌselfˈpʌb.lɪʃ.ɪŋ/
 (由作者)自行出版
the process of arranging and paying for your own book to be published, rather than having it done by a publisher
  Self-publishing allows anyone who can afford it to become a published author. 自行出版可以让任何有经济能力的人成为一名出书作者。 
 - More examples
 - New technologies and the internet have transformed self-publishing.
 - She never even submitted her book to a traditional press, opting for the control and freedom self-publishing allows.
 - Content is up to the author - the company is merely a facilitator for self-publishing.
 - He went the self-publishing route to start a series of books.