French phrase
Je vous écris concernant ~.
Meaning
I am writing regarding ___.
When to use it
A formal opening for writing about a specific matter. Used in business letters and emails, with a practical, official tone.
Example dialogue
Je vous écris concernant votre facture n° 1234.
I am writing regarding your invoice no. 1234.
Merci, pouvez-vous préciser quelle ligne pose problème ?
Thank you. Could you clarify which line is causing the problem?