You can compare what is in line with the leveling with what is not
For example, in Li Bai's "Emei Mountain Moon Song", "Emei Mountain is half moon and falls into the water of Pingqiang River. At night, Qingxi went to the Three Gorges, and Sijun did not see Yuzhou. " With the historical records. Qu Yuan. In Biography, "(Qu Yuan) wrote Li Sao because of his sorrow and meditation, and" Li Sao "was also from his sorrow". Read it several times and compare it.