Reasons:

来源: 于 2007-09-17 07:29:49 [旧帖] [给我悄悄话] 本文已被阅读：次

1. For some people their PD is not current, so they can't co-apply at the same time.
2. For some people whose PD is current, they want to save money in case I-140 is denied.