...题词 健康状况(Health Status) 人(Persons) 移民(移出和移入)(Emigration and Immigration) 移民(Emigrants and Immigrants) 慢性病(Chronic Disease) 收入(Income) 方法(Methods) 患病率(Prevalence) 分类号 R195.4 ..
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In some cases, the immigrants and emigrants have been the same persons.
在某些情况下，入境者与出境者乃是同一批人。
Although today Switzerland is a rich country, life has not always been easy, and until World War II there were more 42 emigrants than 43 immigrants.
尽管现在瑞士是一个富庶的国家，瑞士人民的生活并非总是那么容易，直至第二次世界大战，移居国外的瑞士人比在瑞士的外国居民多。
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