American states such as Nevada, Wyoming and Oregon have flourishing industries providing registration services.

因为制度不严，在美国内华达州、怀俄明州和俄勒冈州都有繁荣的注册服务行业。

Campaigners such as the Global Witness group also want tougher rules on providers of registration services.

而像全球证人组这样的社会组织希望公司注册服务供应商也能施用更为严格的审查制度。

Last week militants abducted three employees of the voters registration service in a southern province and two guards were shot and killed in the eastern part of the country.

上周，武装分子在南部省份绑架了三名选民登记处的员工，还有两名警卫在该国东部被枪杀。