但是我记得去加拿大只要不超过一个月都可以不用回美签证。我现在H1B身份，filed
485，还需要AP吗？
看了下面一段，很confused:
Any adjustment of status applicant who leaves the U.S. without advance
parole is automatically considered abandoning his/her application for
adjustment of status. Such a person will generally not be allowed back in
the U.S. The person would have to do consular processing while remaining out
of the U.S.. This applies traveling to any place outside the U.S., even
going to Canada (even Canadian Niagara Falls) or Mexico or place
