我完全不了解俄罗斯斯——我知道俄罗斯，但我不了解俄罗斯内部的运作情况。

I know nothing about Russia - I know about Russia, but I know nothing about the inner workings of Russia.

youdao

我完全不了解俄罗斯斯——我知道俄罗斯，但我不了解俄罗斯内部的运作情况。

I know nothing about Russia - I know about Russia, but I know nothing about the inner workings of Russia.

youdao