Hayley教口語，“據(jù)我所知”用英語怎么說？

as much as one knows about a certain situation and/or at a particular time

一個(gè)人對某一特定情況或特定時(shí)間的了解。

So far as I know, he won't be back until next month.

據(jù)我所知，他等到下個(gè)月才能回來。

So far as I know, there is not such a rule in English grammar.

據(jù)我所知，英文語法中沒有這樣一條規(guī)定。

So far as I know, they are studying in the same school.

據(jù)我所知，他們在同一個(gè)學(xué)校上學(xué)。