C245 Swear to the Heavens 5

The crux of the matter is that this poem was recorded alongside "Ode to the Goose" in the same book. Two poems, one book – and the book claims that the true author isn't Mu Yuxi, but someone named Meng Haoran! Mu Yuxi, how do you explain that your two poems, supposedly written a year apart, were both found in a book published a year earlier? As Mu Yunhua's accusation hung in the air