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官方來源
USCIS|Employment-Based Immigration:
https://www.uscis.gov/green-card/green-card-eligibility/green-card-for-employment-based-immigrants
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EB-3 子類別(概覽)
Skilled Workers
Professionals
Other Workers
典型流程(概要)
多數為雇主路徑:PERM(如適用)→ I-140 → 排期 → I-485 / DS-260