Exerciseisthebestwaytostayhealthy.Butfewpeoplegeteno...
問題詳情： Exerciseisthebestwaytostayhealthy.Butfewpeoplegetenoughexercise.Only20%ofAmericansget150minutesofphysicalactivityeveryweek.Morethan80millionAmericansover6yearsoldarenotactive(活躍的).Man...