ChokweSelassie,aged13,isworkinghardtohelpdriversavoidpo...
問題詳情：ChokweSelassie,aged13,isworkinghardtohelpdriversavoidpotholes(坑窪).Theeighth-graderwasinspiredtokickoffhiscreationonarecentmorning,whenhismotherwasdrivinghimtoschool.Theircarwasdamagedasitwen...