假如你是Simon，你住在Blue Sky City，在过去的十年里，Blue Sky City发生了巨大的变
化：马路、环境、生活、交通……，这种变化既带来了好处也带来了许多麻烦……(字数不得少于80字)
Blue Sky City: Past and present
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
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