YouarevisitingtheEiffelTowerinFrance,butthenextsecondyo...
问题详情：YouarevisitingtheEiffelTowerinFrance,butthenextsecondyouareinThailand.Then,suddenlyyoumayhavedinnerwithBarackObamainAmerica.Butyouarenotdreaming.Thisiswhatmighthappeninthenearfuture.Withthehel...