a matter of 都有哪些用法啊?as a matter of

a matter of 都有哪些用法啊?as a matter of as a matter of routine as a matter of fact as a matter of fact. as a matter of fact.as a matter of 这个as a matter是一个固定搭配吗?有什么 AS THE MATTER OF FACT 和AS A MATTER OF FACT有什么区别 as a matter of fact是什么词性 as a/the matter of fact as a matter of fact同意替换 as a matter of fact的意思 as a matter of fact怎么译? a matter of 有什么用法?请举例说明!