8/10/2020 ups寄出
8/12/2020 ups寄到
8/18/2020 check被划钱
8/19/2020 收到短信：case received, Receipt #: YSC 2090...
大概一周后收到纸质receipt （form I797C）
10/22/2020 USCIS官网查询：card will be sent to be made
10/23/2020 USCIS官网：approved
...(待更新)
补充内容 (2020-10-28 12:36):
10/27/2020 Card mailed
