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