四、近年來都會區「蝸居老人」議題頗受媒體重視，試問「蝸居老人」所指為何？反映哪些社會現象？社會福利制度能有何著力之處？(25 分)

1. A social fact is every way of acting, fixed or not, capable of exercising on the individual an external constraint; or again, every way of acting which is general throughout a given society, while at the same time existing in its own right independent of its individual manifestations.