- 问题详情:Peoplehavealwaysbeenwonderingaboutwhatourfuturewilllooklike.Goonreadingthistext,andyouwillknowwhatwillhappeninthenextfiftyyears.Howcanweknowwhatthefuturewilllooklike?Tobeabletounderstandthefuture,youmustknowthepast.Whathastakenustowherewearet...
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