回复：请教皮匠和众大侠：白皮书（白卡）最多可以申请几次？

来源: 于 2011-03-30 18:02:50 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

No law limits how many times of application, but if you continue to apply for it from time to time, USCIS may not approved your later application. Normally, continuous renewal of one time is OK, if more, depends on your luck unless you have conviceable reasons.