Hayley教口语，“据我所知”用英语怎么说？

(Not) as far as I know

We use this expression to say that we think we know something, but we are not completely sure.

当我们认为自己知道某事，但又不完全确定时，我们可以用这个表达。

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

据我所知，英文语法中没有这样一条规定。

A: Have we got a test tomorrow?

我们明天有考试吗?

B: Not as far as I know. I think it's next week.

据我所知没有。我记得是下周。

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