特確認，本公司某月某日函件等
    1. We confirm our respects of the l0th May
    2. We confirm our letter of the l0th of this month
    3. We confirm our last letter of the l0th June
    4. We had the pleasure of writing you last on the l0th of this month
    5. We confirm our respects of the l0th June
    6. We confirm the remarks made in our respects of the l0th July
    7. We confirm the particulars of our enquiry by telephone of this morning
    8. In confirming our telegram of this morning, --
    9. Confirming our respects of the 10th May,---
    10. Confirming our last of the 10th June,---
    貴公司某月某日函電，敬悉等
    l. We have pleasure in acknowledging receipt of your esteemed favour of the 3rd May
    2. We are pleased to acknowledge receipt of your favour of the lst June
    3. We have to acknowhedge receipt of your favour of the 5th July
    4. Your letter of May 5 was very welcome
    5. Your letter of April l0 gave me much pleasure
    6. Your esteemed favour of 7th May was duly received by us
    7. Your favour of the 5th June is duly to hand
    8. Your favour of the l0th is to (at) hand
    9. We are in due receipt of your favour dated the 7th June
    10. We are in receipt of your letter of the 7th July
    11. We are in possession of your letter of the 5th April
    12. We have duly received your favour of the 5th March
    13. Your letter of yesterday’s date is duly to (at) hand
    14. Your esteemed communication of yesterday’s date is just to (at) hand
    15. We thank you for your favour of the 5th May
    16. We are obliged for your letter of the 5th May
    17. Many thanks for your latter of the 5th June
    18. Very many thanks for your letter of May 5
    19. In acknowledging receipt of your letter of the 5th June, ...
    20. Your favour of the 5th May has just reached me
    21. Your favour of the 5th May is duly received
    22. Your favour of the 5th May is now before me
    23. Your promised letter under date (of) the 5th June has just reached us
    特回答貴公司某月某日函所敘述有關事項等
    1. I have the pleasure of stating, in answer to your inquiry of the 4th inst, that
    2. In reply to your letter of the 5th of May, I have to inform you that (of)
    3. I hasten to answer your inquiry of the l5th May, by stating that
    4. We are in receipt of yours of the 5th June, in reply to which we are pleased to state that
    5. In reply to yours of the l0th May, relative to..., I would say that
    6. I am in receipt of your favour of the 7th May, and in response I inform you that (of)
    7. In response to your letter of l0th May, I wish to say that
    8. In answer to your favour of the 5th May regarding... I reply as follows:
    9. Answering your letter of the 8th of February re..., I would say that
    10. In reply to your letter of February 8th, I inform you that (of)
    11. Replying to yours of the 8th of February regarding..., I would say that
    12. Replying to your favour under date of February 8th re..., I say that
    非常遺憾，我們奉告您關于，等。
    l. We regret to inform you that (of)
    2. We are sorry to have to draw your attention to
    3. We regret to have to say that
    4. We regret to advise you that
    5. We very much regret to announce you that
    6. It is most regrettable that we have to inform you that (of)
    7. It is with our greatest regret that we must inform you that (of)
    8. To our greatest regret we must herewith inform you that (of)
    9. It is a matter for regret that I have to inform you that (of)
    10. It is to be regretted that I must inform you that (of)
    11. It is with regret and reluctance that we have to inform you that (of)
    12. It gives us a deep sorrow that we have to announce you that
    13. It causes me much sorrow to have to say that
    14. I feel sorry for having to announce you that
    15. I express my sorrow for announcing you that