An allusion in Tao Yuanming's Gui Xi Ci ~ Why is the "Three Roads Shortage" three roads instead of two? Master, coming!

What he is saying now is a bit cynical. Even if I was born at the wrong time, I can't help it ~ now he ~ I like his artistic conception ~ picking chrysanthemums under the hedge ~ seeing Nanshan leisurely ~ Also called "three links". Jin's "Three Auxiliary Records of Yi Ming": "When Jiang Xu returned to his hometown, thorns blocked the door. There are three roads in the house, and he can't get out. He only asks for the middle, and Yang Zhong follows him. " Later, because "Sanjing" refers to the hermit's home. Qian Xuesen's farewell speech: "The three paths are barren, and the pine and bamboo still exist." Tang Jiang Fang's poem "Du Bin Ju Xin Feng Li You Chu" says: "Retreat from three places, and resign from two sparse places." Song Sushi's "Tuesday Rhyme": "It's fun to move south." The fifteenth time of "Flower and Moon Traces": "Hanging couplets next to it: the autumn shadow is lighter than the moon, and the three-diameter flowers are cold."