"in reference to"是固定搭配吗？怎么用啊？

Question

Rachel: Oh, God, ask them what they want.
Monica: (on phone) Could you please tell me what this is in reference to?
"in reference to"是口语里的固定用法吗？怎么用啊？

Answer 1

in reference to: 关于,有关

In reference to the interview our representative have with you, we offer to your goodselves our service as shipping- agent.
经本公司代表与您方面洽结果，本公司愿承担为贵公司的船运代理人。
He spoke in reference to the cowboys.
他谈了有关牛仔的事。
In reference to; in the case of; concerning.
参考，依照；如果；关于
I have nothing to say in reference to that incident.
关于那次事件，我无可奉告。
She slipped in a reference to her own work.
她在介绍信中插话说明了她的工作。
She is often quite scurrilous in her reference to me.
她一提起我，常常骂骂咧咧的。
To search for and find, as in a reference book.
查找在参考书中寻找并找到
To make a cross-reference.
互相提供参考
explain with reference to nature.
用自然方面的知识解释。
in such a manner that death ensues (also in reference to hatred, jealousy, fear, etc.).
以一种会致死的方式（也是关于仇恨、嫉妒、恐怖等的）。
Difficult to stain with standard dyes. Used in reference to cells or tissues.
非染色质的用标准染料难于染色的，用于指细胞或组织

Answer 2

in reference to:

关于,有关

例句与用法:
1. He spoke in reference to the cowboys.
他谈了有关牛仔的事。

2. In reference to the interview our representative have with you, we offer to your goodselves our service as shipping- agent.
经本公司代表与您方面洽结果，本公司愿承担为贵公司的船运代理人。

Answer 3

就是refer to的意思

Answer 4

in reference to
关于
关于
这是固定词组