Question

see和know的用法具体在什么时候用“I see.” 什么时候用“I know."

Answer 1

I see：原来你不知道的,人家说之后你知道了,你明白了.

I know：这是个简单的事情,我本来就知道.这样回答人家不礼貌,给人有点不耐烦的感觉.

for instance:

Allen:There's some difference between them...

tangtais:I see...

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tangtais:There's some difference between them...

Allen:I know!