男孩看着绿茵茵的草地,那些孩子们在上面幸福地踢球、流汗。这让他觉得沮丧,他没有选择那种幸福的权利和能力——他只有一只空荡荡的裤管和轮椅。他开始觉得自己像只折断了翅膀的小鸟,生命已失去任何意义。爷爷把男孩推到公园里,这时候是秋天,梧桐树大把大把地掉下叶子,哗啦啦 The boy looked at the grassy lawn and the children happily played and sweated. This made him feel depressed. He did not choose the right and ability for happiness. He only had an empty trousers and wheelchair. He began to feel like a bird that had only broken wings, and life has lost any meaning. Grandpa pushed the boy into the park. This time it was autumn. The plane tree fell a lot of leaves and crashed.