美国将对来自 50 个国家（主要位于非洲）的旅客永久实施签证保证金制度
· thehindubusinessline.com
美国已将其签证保证金计划永久化，将来自 50 个国家（主要是非洲国家）申请人的最高保证金数额提高至 20,000 美元。
The State Department is making permanent a pilot programme under which citizens from 50 countries, mainly in Africa, are required to post bonds to apply for a U...