as far as know的意思|示意
据我所知
as far as know的用法详解
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As Far As Know：用法讲解
As far as I/we know意为“据我/我们所知”，表示说话者现在所掌握的事实，强调对信息的确切性。即使不是了解细节，也可以用As far as I/we know来强调所掌握的事实在可靠性上。As far as I/we know可以放在句首，也可以放在句中，但有时可能会改变句子的意思。
例句1：
As far as I/we know, this is the first time that the president has visited the city.
这句话的意思是：据我/我们所知，这是总统第一次访问这个城市。
例句2：
This is the first time that the president has visited the city, as far as I/we know.
这句话的意思是：据我/我们所知，这是总统第一次访问这个城市。
总统访问这座城市是一件大事，因此说话者想要确保信息是可靠的，这时候可以用As far as I/we know来强调信息的可靠性。As far as I/we know一般用于口头交流，也可以用于书面表达。
'as far as know相关短语
1、 as far as I know 据我所知,就我所知,单独使用,据我说知
2、 As far as we know 据我们所知,就我们所知