C (信末签名后的)附言,又及 extra message added at the end of a letter after the signature
C (正文后的)补充说明 facts or information added to sth after it is completed
句型例句
There was the usual romantic postscript at the end of his letter.他的信末又是一贯的浪漫附言。
As a postscript to that story,it turned out that the woman was his sister.作为故事的补充,那个女人原来是他妹妹。