可以解释一下么？

来源: 于 2009-04-23 12:42:44 [博客] [旧帖] [给我悄悄话] 本文已被阅读：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.

有点混淆，你是说，ｃａｎ＇ｔ　ｇｅｔ　ａｎ　Ｈ４　ｖｉｓａ　ｔｏ　ｃｏｍｅ　ｂａｃｋ么？