Fastwalkingistheexercisebetweenwalkingandracewalking.As...
問題詳情：Fastwalkingistheexercisebetweenwalkingandracewalking.AstudyshowsthatfastwalkinghasbecomethemostpopularexerciseinChinaandmanypeoplewalkmorethan5,000stepsaday.TheresultsofthestudyarefromQQusers....