(2) The first five sentences of the poem are about the joy of the instant liberation of the dormant soul, and the last five sentences are about the melancholy of this joy and its passing away in an instant. This is an emotional contrast. The last overlapping sentence is the same as the previous one, but it feels different. The previous sentence is full, but the overlapping sentence is a sense of loss. Therefore, the overlap in this poem is a reversal of feelings, which shows the uniqueness of the poet in using this technique. (reasonable)