Thank you, 8 老師，請問什麽是USCIS的最好的聯係方式，網上的chat總是不能回答我的問題，為什麽2015年申請的都拿到了approval letter, 我是2014年申請的都沒有收到approval letter?
非常感謝你！心裏很焦急！
-Read these links for how to call USCIS:
https://immigrationroad.com/uscis/uscis-customer-service-phone-menu.php
https://immigrationroad.com/resource/check-uscis-case-status-phone.php
