请问O1 签证可以auto revalidation吗？

“Nonimmigrants who departed the United States for brief travel to Canada, Mexico, or an adjacent island (for F and J nonimmigrants) for thirty days or less;”

这个括号只负责adjacent island还是负责整句话？

因为在johns Hopkins 官网上看到了o1 travel guidance 就有点困惑.

ois.jhu.edu

travel.state.gov