- 問題詳情:Today,theworldisrapidlyurbanizing.Withhalfoftheworldpopulationexpectedtoliveincitiesbytheearlypartofthe21stcentury,theShanghai2010WorldExpo'sfocusonabettercitybearsprofoundmeaning.Whatmightfuturecitieslooklike28yearsfromnow?Herearesomescenario...
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