- 問題詳情:OnJune20,2017,twocompanies,KittyHawkandUber,announcedtheirplanstobringflyingcarstorealityverysoon.Soonerthanyouthink,flyingcarsmayappearintheskies.Imagineneverhavingtoworryabouttraffic,stoplights,orroadconstruction.Aflyingcarcangetsomewheremu...
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