Fortress Besieged written by Mr. Qian Zhongshu has been revised many times, involving thousands of changes in content, such as allusions, metaphors, structural adjustment, deletion of some descriptions, foreign original texts and transliteration.

Cao Xueqin wrote A Dream of Red Mansions, "Ten years' review, five additions and deletions", and changed it to "Every word is like blood, and ten years' hard work is extraordinary";

Tolstoy, Balzac, etc. Revise those multi-volume novels many times or even ten times;

Mr. Lu Xun also summed up "three ways to modify articles".