___ ＿＿＿ ＿＿＿ ＿＿＿＿ （众所周知）,China is a country with a long history

题目

___ ＿＿＿ ＿＿＿ ＿＿＿＿ （众所周知）,China is a country with a long history

答案

As we all know
As is known to all