文档介绍:翻译二级笔译实务模拟18Section1English-,soitincludesemployersandtheself-,thereareseveralotherinfluenceswhichalsoaffectit•,,•,thenumberofbirthsgreatlyexceedsthenumberofdeaths,thenasthetotalpopulationincreases,,rowingveryslowly,andaspeopleretirefromtheworkforce,therearenotenoughyoungpeopleenteringittoreplacethosewhoareleavingit•Thepopulationistop-heavywitholderpeople•Sothepercentageofthepopulationintheworkforcedeclineswhenthereiseitherarapidincreaseinbirthsorafallingbirthrate•,thisraisestheproblemoftheabilityoftheeconomytoprovideareasonablelevelofsocialservicestotheretiredgroup,Iftheagedaretobecaredforinspecialhomesorhotels,finances