On the Original Meaning of Poetry and Commentary on the Book of Songs and Preface to the Book of Songs -Reviewing Commentary on the Book of Songs and Preface to the Book of Songs with the Example of Guan Ju

Probing into the original meaning of poetry is greatly significant to achieve an exact understanding of Commentary on the Book of Songs and Preface to the Book of Songs and identify their authors respectively. Likewise, distinguishing between a general preface and a specific preface is helpful to identify their writers respectively and to deepen the comprehension of the inheritance and development of the study on the Book of Songs. Ever since ancient times, the original meaning of poetry has been often distorted by the study on argumentation, while the distinction between a general and a specific preface has also been blurred since Lu Deming.