quietness安静;
longevity长寿;
low crime rate低犯罪率;
cheap living expenses低生活成本;
backward落后的;
uninformed消息闭塞的;
free from a contaminated environment远离受污染的环境;
tedious乏味的;
monotonous单调的;
idyllic田园的;
economic gap经济差距
