1. 在郵件正文開始前不要上來就問，而是新增一句問候，寒暄一下：Hope this email finds you well.I hope you are well.I hope all is well.We send you our best wishes.Greetings from all of us at XXX (organization)
2. 寒暄之後，開門見山資訊問題：I"m writing to inquire about xxx
3. 禮貌的提出諮詢問題：
Would you please do xxxShould you be so kind as to do xxxPlease could you tell me if xxxI would like to know xxI would be grateful/thankful if you could xxxI would appreciate knowing xxxI would appreciate information about xxx
4. 提出問題後繼續表達感謝：I would appreciate your help.
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合在一起使用效果：
Dear AAA,
Hope this email finds you well.I am writing to inquire about the project xxx.Would you please send the latest version of xxx lib to me ?I would appreciate your help.
Yours sincerely,
BBB
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參考資料:
Business Writing: Opening Sentences for Global Email phrases - "I will appreciate your help" Inquiry Letter How to write a letter of inquiry
之前跟印度人來往過一些郵件，覺得他們的用語看起來非常禮貌，就總結了一些技巧：
1. 在郵件正文開始前不要上來就問，而是新增一句問候，寒暄一下：Hope this email finds you well.I hope you are well.I hope all is well.We send you our best wishes.Greetings from all of us at XXX (organization)
2. 寒暄之後，開門見山資訊問題：I"m writing to inquire about xxx
3. 禮貌的提出諮詢問題：
Would you please do xxxShould you be so kind as to do xxxPlease could you tell me if xxxI would like to know xxI would be grateful/thankful if you could xxxI would appreciate knowing xxxI would appreciate information about xxx
4. 提出問題後繼續表達感謝：I would appreciate your help.
---
合在一起使用效果：
Dear AAA,
Hope this email finds you well.I am writing to inquire about the project xxx.Would you please send the latest version of xxx lib to me ?I would appreciate your help.
Yours sincerely,
BBB
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參考資料:
Business Writing: Opening Sentences for Global Email phrases - "I will appreciate your help" Inquiry Letter How to write a letter of inquiry