the paper finds that with the aging of population,there has been more and more senior citizens in towns joining in walking since 1978. 改革开放以来,随着老龄化社会的到来,越来越多的城镇老年人投入到散步这一队伍,这一社会事实已经不仅仅是一种老年人的体育锻炼方式,更是一股社会潮流,有效地推进和谐社会...