The nine digits in question are a USCIS alien registration number.

这九位数是移民局颁发的外国人登记号码。

It told The Associated Press that " all USCIS operations will be impacted" by the release of more than 13,000 workers.

该机构对美联社表示，1。3万多名员工被解雇后，" 所有美国移民局的业务都将受到影响" 。？

USCIS receives nearly all its $4.8 billion budget from fees it collects from people who seek to live or work in the country.

该机构48亿美元的预算几乎全部来自想在美国定居或工作的人交的费用。

The administration also stopped some programs - including a recent halt on H-1B visas for skilled workers - that provide an important source of money for USCIS.

特朗普政府还停止了为美国移民局提供重要资金来源的一些项目，包括最近暂停向技术工人发放H-1B签证。