谢谢大家. 里面是1-131的信息
If you stay outside the United States for less than one year, you are not required to apply for a Re-entry Permit. You may re-enter the United States on your Permanent Resident Card (Form I-551).
客服电话更本....没法打同. 所以还不是很明白啊. 我觉得是不要APPLY PERMIT的.想问一下有人有相同经历吗?
