FICA

例句：

1. 1. The FICA tax is a mandatory contribution that all federal employees must pay.
   联邦雇员退休收入计划税是所有联邦雇员必须缴纳的强制性贡献。
2. 2. The FICA tax deduction can help you save money on your taxes.
   联邦雇员退休收入计划税扣除可以帮助你节省税款。
3. 3. The FICA tax rate has been increasing due to the rising costs of healthcare for retirees.
   由于退休人员医疗费用上涨，联邦雇员退休收入计划税率一直在上升。