Ifyouputabuzzard（*）inapen（圍欄）sixtoeightfeetsquareanden...
問題詳情：Ifyouputabuzzard（*）inapen（圍欄）sixtoeightfeetsquareandentirelyopenatthetop,thebird,inspiteofitsabilitytofly,willbeaprisoner．Thereasonisthatabuzzardalwaysbeginsaflightfromthegroundwitharunoftentotwe...