LetussupposeitisnowaboutA.D.2060.Let’smakebelieve(假装；虚构...
问题详情：LetussupposeitisnowaboutA.D.2060.Let’smakebelieve(假装；虚构)itisaboutsixtyyearsfromnow.Ofcourse,thingshavechangedandlifeisverydifferent.Voyagestothemoonarebeingmadeeveryday.Itisaseasytotakeaho...