An example:
Dear xxx (To),
It is our pleasure to hear from you. We truly appreciate your help in explaining ways to join ETSI. Thank you very much.
(It is our pleasure to receive the detailed answer to our initial question about participation. We genuinely appreciate your help.)
Best wishes,(Kind regards, Best regards)
xxx (From)
英文邮件实用句型
原文：https://www.cnblogs.com/Limer98/p/13594141.html
