- 問題詳情:Ifyouputabuzzard(*)inapen(圍欄)sixtoeightfeetsquareandentirelyopenatthetop,thebird,inspiteofitsabilitytofly,willbeaprisoner.Thereasonisthatabuzzardalwaysbeginsaflightfromthegroundwitharunoftentotwelvefeet.Withoutspacetorun,itwillnotevenattempttofly...
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