I don't understand

來源: 於 2003-10-10 08:30:00 [舊帖] [給我悄悄話] 本文已被閱讀：次

Why must be 180 days or above? I guess everyone has this record to stay here for more than 180 days. You mean it's not good for them to go back to china with this record? Why?
Waiting for your reply!
Thanks a lot!