1,申請了白皮書,是否意味著以前的居住時間清零?
-Not really unless you stay outside US continuously for > 180 days.
2,使用了白皮書呢?
-Same answer as above.
3,如果在境外時間不到4個月,是否可以不使用白皮書?
-Not need it unless you will stay outside US for > one year.
4,申請白皮書的話,除了時間精力,還有什麽代價?
-Application fee.
謝謝!