Regarding the character"中"in the Bao Xun(《保训》)of Tsinghua Bamboo Slips,there are multiple interpretations within the academic community,making it difficult to reach a definitive conclusion.In the recently published San Bu Wei(《参不韦》)of the Tsinghua Bamboo Slips,the"中"can be interpreted as"法"(fa),referring to the laws and principles governing the operation of nature and human society.This give a chance to interpret the meaning of Zhong(中)in Bao Xun(《保训》).In comparison,the Zhong(中)in Bao Xun(《保训》)could also be interpreted as a rule,referring to the laws governing the operation of nature and human society.Specifically,it refers to a set of rules that governors use to maintain their authority,including calendars,ethical systems,legal systems,and so on.