a verbal, written, or recorded communication sent to or left for a recipient who cannot be contacted directly.
if I'm not there, leave a message on the voice mail
同义词：
communicationpiece of informationnewswordnotememorandummemoemailpostingtweetletterlinemissivereportbulletincommuniquédispatchintelligencenotificationannouncement
2
a significant point or central theme, especially one that has political, social, or moral importance.
a campaign to get the message about home security across
