- 问题详情:Whatwillmanbelikeinthefuture–in5000oreven50,000yearsfromnow?Wecanonlymakeguesses,ofcourse,butwecanbesurethathewillbedifferentfromwhatheistoday,formanisslowlychangingallthetime.Letustakeanobviousexample.Man,evenfivehundredyearsago,wasshortert...
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