You can use this in situations where you would want to lessen the assertive connotation of your objection or criticism that could easily be misinterpreted by your addressee.
Maintain Best Email Writing Practices When writing an email to confirm a verbal agreement, maintain.
I assume that that was from people who do not speak English very well.
Our fax number is 1-555-555-5555.
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Though a lot may have been discussed, clarity on the specifics of the agreement will minimize back and forth exchanges and prevent misunderstanding.