Overthepastseveraldecades,thepromiseofthe“caroftomorrow...
问题详情：Overthepastseveraldecades,thepromiseofthe“caroftomorrow”hasremainedunfulfilled,whiletheproblemsitwassupposedtosolvehaveonlyintensified(加剧).Theaveragepriceofagallonofgasishigherthanatanytim...