in reference to

US /ɪn ˈref.ər.əns tuː/
UK /ɪn ˈref.ər.əns tuː/
"in reference to" picture
1.

关于, 提及

concerning or regarding something; in relation to

:
I am writing in reference to your recent inquiry.
我写信是关于您最近的询问。
His comments were made in reference to the new policy.
他的评论是关于新政策的。