关于Hay的文章

Horse and Hay
Ahorseistiedtoa15ft.ropeandthereisabailofhay25ft.awayfromhim.Yetthehorseisabletoeatfromthebailofhay.Howisthispossibleanswer:Theropeisn'ttiedtoanything,sothehorsecangofreelytoanywhereitpleases....
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