文章較舊,某些觀點可能已經過時,請注意更新 1) 提交 I-140 後對非移民身份的影響 http://immigration.sina.com/sina-immigration/jzhang/1114197821/1114197821_1.html 2) 綠卡等待批準期間出入境問題 http://immigration.sina.com/sina-immigration/jzhang/1088729694/1088729694_1.html