根据 USCIS [https://www.uscis.gov/sites/default/files/document/policy-manual-afm/afm40-external.pdf Adjudicator's Field Manual Chapter 40] page 53 | 根据 USCIS [https://www.uscis.gov/sites/default/files/document/policy-manual-afm/afm40-external.pdf Adjudicator's Field Manual Chapter 40] page 53 |