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- 問題詳情：Akindoflittlecarsmaytaketheplaceoftoday’sbigonesmanyyearslater.Ifeveryonedrivessuchcarsinthefuture,therewillbelesspollutionintheair.Therewillalsobemorespaceforparkingincities,andthestreetswillbelesscrowded.Thelittlecarsofthefuturewillcostles...
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