h1b transfer正在辦理，還沒有寄出。如果先用EAD開始上班，等h1b transfer receipt拿到或者transfer 通過以後，可以轉回h1b 身份嗎？需要回國簽證嗎？
-Techincally, after you use EAD, you lose your H1 status. If you want to reinstate your H1 status, you just need to go to China any time to get the H1 visa to come back. No big deal, anyway.
