Overthepastseveraldecades,thepromiseofthe“caroftomorrow...
問題詳情：Overthepastseveraldecades,thepromiseofthe“caroftomorrow”hasremainedunfulfilled,whiletheproblemsitwassupposedtosolvehaveonlyintensified(加劇).Theaveragepriceofagallonofgasishigherthanatanytim...