请问第一第二项一般准备什么文件啊？

Provide at least 2 of the following (check which items you are providing):
1. Important documents for you and your spouse showing that you are recognized as each other's spouse (such as employment
or insurance benefits)
2. Documentary evidence of financial support between you and your sponsor, and/or shared expenses.
Other proof that your relationship is recognized by your friends and/or family (e.g. Letters from friends/family, social media information showing a public relationship, etc.).

1。保险单。
2。银行联名账户。