The author's rights and interests referred to the rights enjoyed by the author when creating literary works, including but not limited to copyright, adaptation rights, translation rights, publicity rights, etc. An author would usually use copyright protection measures to protect the copyright of their work. For example, if they wanted to adapt their work into a movie or television series, they would need to obtain the author's authorization. In addition, authors could also earn profits by publishing their works and obtaining royalties. The right of adaptation referred to the author's right to modify, adapt, or translate his work. If the author had the right to adapt, then others who wanted to use the work would need to obtain the author's authorization. The right to translate referred to the author's right to translate his work. If the author has the right to translate, others can translate their work into other languages and obtain the author's authorization. The right to publicity referred to the author's right to publicize, promote, and display his work. If the author had the right to advertise, then others could mark the author's name in the work or display the author's image in the work. The author could also earn money through royalties. Royalty was calculated based on the total sales of the work. The author would calculate his income based on the royalty of the work.