The problems are endemic in a flourishing industry in which brokers in both countries profit by duping workers 这个问题是一个地区风土性的新兴行业引起的，两个国家的掮客透过大量劳工的引进而获利。
2.
" dengue fever is endemic in most south - east asian countries . the tropical and sub - tropical weather in these countries is favourable to the propagation of mosquitoes carrying dengue virus 登革热在大部份东南亚国家属风土性疾病，这些国家的热带及亚热带气候适宜带有登革热病毒的蚊子滋生。
