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