Whatmakes15,000menandwomenrunforhours,andwhatmakesthemr...
問題詳情：Whatmakes15,000menandwomenrunforhours,andwhatmakesthemrunthroughthestreetsonacolddaywithoutcoats?Iwasoneofthoserunners.Theraceiscalledmarathon(馬拉松).Ihadneverrunmorethaneightmilesbefore,andh...