AP的表格上說 (see latest uscis's pdf of form 131 inst), 如果在 AP issue 之前去 travel, 則 AP 的申請被作廢. 但我有聽說可以在 AP 交後批準前去 travel. 到底哪個對 ? 謝謝各位老師.
-You had better believe what AP的表格上說, not what you 聽說.