据我所知，他从未与警察有过麻烦。

___As ___far ___as ___I ___know, he's never been in trouble with the police.

据我所知，Camp California的住宿是帐篷或木屋。

___As ___far ___as ___I ___know, accommodation at Camp California is in tents or log cabins.

据我所知，会议定在明天。

___As ___far ___as ___I ___know, the meeting is scheduled for tomorrow.