- Manyyearsago,Isawaninterestingmovie.Itpicturedthefuturelifethatpeoplecouldflyintheskybycars.Ofcourse,Idon'tthinkitwillhappeninthecomingtime.Thechangeincarsisabouttheenergy.Itissaidthatthecarswillusebothelectricityandgasoline,whichcanreducepollution....
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