The reason why this book is called "All Things" is because the characters' emotions are pinned on all kinds of natural things in the world, giving them souls and human emotions. There are snow, moon, leaves, cherry blossoms, plum blossoms, stars, etc. In the first part of the novel, the word "waiting for snow" is used to show Sakura's reluctance to let go of her elder brother. Later, the elder brother used the theory of plum blossom loneliness to hint to Sakura that she should open her heart. In the novel, leaves are used to summarize the ordinaryness and uniqueness of all boys, and cherry blossoms are used to emphasize the strength of everyone. The people of "The Gentlemen of the Earth" place their friendship on the bright moon in the night sky. Everyone swears under the moonlight, "The sky is above and the earth is below. We voluntarily join the Gentlemen of the Earth, and we will never leave each other and never break our promises." At the same time, it also writes about the emotions between animals.
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