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，加利福尼亚营地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，会议仍定于下周一举行。

___As ___far ___as ___I ___know, the meeting is still scheduled for next Monday.