Case received and pending：申请已收到。

Request for additional evidence sent：需补件(RFE)。

Response to request for evidence received, and case processing has resumed：已收到申请人补件数据，案件将继续动作。

Approval notice sent：申请已批准，并已寄出通知。

Case rejected because application/ petition not signed：没有签名被退件。

Denial notice sent：申请被拒，并已寄出通知。

Case transferred to another office for processing / The fee was collected at one location, and the case is now pending at our processing site.：案件被转到其他单位处理。

This case is now pending at the office to which it was transferred / This case has been sent to another office for processing because it has jurisdiction over the case.：案件被转到当地办公室处理 (可能要面试了)。

Card production ordered：案件已批准，卡片制作中(绿卡或工卡或返美证等)。

Notice mailed welcoming the new permanent resident：I-485申请已通过，寄出欢迎信给申请人。

Notice returned as undeliverable：邮局退回，应立即与移民局联系更新地址。

Document mailed to applicant：可能是案件通过或是被拒，请以实际收到的通知内容为准。

Withdrawal Acknowledgment Notice Sent：案件撤回通知。