f1签证 留学生 在纽约 寒假计划去欧洲（探亲访友） 请教大神！行程预计是 纽约-荷兰-西班牙-纽约 ，如果是探亲访友 我需要什么证明材料呢 看使馆要求写的是“submit the Proof of Private Accommodation and/or Sponsorship form completed and signed by your relative or friend and certified by the respective Dutch City Hall and a copy of the Dutch passport or residence pe...
