What does leaving only his hoofprint mean?

"Then he disappeared around the corner, leaving only hoofprint" depicts the farewell scene in the snow.

"Then he disappeared at the corner of the pass, leaving only his hoofprint" is a poem by Tang, Snow White Farewell Tian Shuji Wu to Go Home.

When the mountain turns around, the trace of friends has disappeared in the mountain, leaving only a trace of melancholy in the snow. The word "empty" not only describes the objective emptiness, but also describes the subjective feeling of feeling empty because of the departure of friends.

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As the peaks turn, pedestrians slowly disappear into the snow, while the poet still stands in situ and stares affectionately. The figure of his friend has long since disappeared, leaving only a line of deep horseshoe prints in the snow. This sentence expresses the poet's farewell to the traveler.

On the other hand, when the poet sends his friend back to Beijing, the friend can naturally go back to Chang 'an, and the poet still stays here. From the scene of the poet's farewell to his friend, we can see that the poet's envy of his friend's return to his hometown Chang 'an is fascinating and lost. This sentence is endless, giving readers unlimited imagination.