BCC stands for "blind carbon copy" and is used in emails to send a copy of the message to recipients without other recipients knowing. When someone is added to the BCC field, their email address is hidden from everyone else receiving the email. This is useful when sending an email to a large group, allowing recipients to remain private. BCC helps keep email addresses confidential while still sharing the message with multiple people.

英語での「BCC」の定義と意味

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