As competent art students, when others are studying hard, we look for the eraser that draws circles in some corner and curses the owner for abandoning it. When others are studying hard, we listen to the teacher's instructing that "the line between light and dark is not a line." As professional pen eaters, we are really professionals. In the pencil case, you can see the evolution process of a pencil from existence to non-existence, the detailed evolution process...
Intention:
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