YouarevisitingtheEiffelTowerinFrance,butthenextsecondyo...
問題詳情：YouarevisitingtheEiffelTowerinFrance,butthenextsecondyouareinThailand.Then,suddenlyyoumayhavedinnerwithBarackObamainAmerica.Butyouarenotdreaming.Thisiswhatmighthappeninthenearfuture.Withthehel...