Si Gong

司宫───Si Gong

The first part is exordium, which expounds the research status of Scholars about concepts of "Gong" and "Si" in Pre-Qin Period, and explains this article's research Significance and aim.───第一部分是绪论，阐述了学者们关于先秦时期“公”、“私”概念的研究状况，并说明本文的研究意义和宗旨。

The fourth part discusses the main manifestation of "Gong-Si" relationship in Warring States Period.───第四部分论述战国时期“公”“私”关系的主要表现。

the "Gong-Si" relationship situation of the Western Zhou Dynasty. The third part is the key contents of this article.───第三部分是本文的重点内容，从三方面论述了春秋时期的“公”、“私”概念及其范畴。