据我所知--翻译成英文怎么说?

据我所知--翻译成英文怎么说?
据我所知--翻译成英文怎么说?

据我所知--翻译成英文怎么说?
有这么几种翻译：
1：as far as I know （这个最常见）
2：for all I know
3：to the best of my knowledge

as i know

as far as I'm concerned...

As I know