through the courtesy of

外贸信函经常用到的短... ... on receipt of 一收到……就 through the courtesy of 承蒙介绍 on the recommendation of 在……介 …

...原则：1.在介绍如何获知对方公司名称和地址时，如：承蒙某人告知（“through the courtesy of…”）这种正式含蓄的语言最能 …

... Open account 赊帐 On the recommendation of/through the courtesy of 承蒙…的推荐 Enjoy/high reputations 享有声誉 ...