✔ 最佳答案
(某同事)已經XXX 離職,如有任何查詢請聯絡XXX
This is a notification circular, I suppose you should put tit this way:
To Whom It May Concern:
Please be advised that xxx of our shipping department had resigned and effected 1st April 2008. Kindly contact xxx for relevant enquiries, thank you.
xxx Co Ltd
date