可以解釋一下麽？

來源: 於 2009-04-23 12:42:44 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

If your current status is H1 or H4, you can get an H4 visa to come back without affecting your I-485. Otherwise, your I-485 will be invalid if you use h4 to come back.

有點混淆，你是說，ｃａｎ＇ｔ　ｇｅｔ　ａｎ　Ｈ４　ｖｉｓａ　ｔｏ　ｃｏｍｅ　ｂａｃｋ麽？