1.
in relation to
I have some comments to make in relation to this matter. It's brain is small in relaton to its body.
This letter from the bank is in relation to your mortgage.
in relation to the advertisement
英语 单词“in Bezug auf“(in relation to)出现在集合中:
Customer Care (vocabulary) - Kundenservice (Wortsc...2.
with regards
3.
pertaining
A reward has been offered for information pertaining to the incident.