如果每年只回中国一、两个月,这一两个月的SSI也要停下来吗?
如果一次回中国半年以上呢?是不是回来要重新申请?
The people I know of, they report if they go out of the U.S. for more than 30 days. If you don't, and SSI doesn't check, you could be lucky. But it's better to report.
如果一次回中国半年以上呢?是不是回来要重新申请?yes. Please go to SSI.gov for details.