485 RFE要提供足够的财产证明. 我想加上父母各自中国的存款给他们自己担保, 可以么? -No. 我自己的收入和存款也有增加. 我需要重新填864表交RFE对么? -Not need a new I-864, but provide the evidence of your new income and deposit amount and explain it in the response letter. 谢谢8老师