A public service announcement (PSA) is a message created to inform or educate the public about important issues or causes, typically with the goal of benefiting society. PSAs are often produced by government agencies, non-profit organizations, or public interest groups and are distributed through various media, such as television, radio, print, or online platforms. They cover topics like health, safety, environmental issues, or social awareness, aiming to raise awareness, encourage positive behavior, or promote public well-being. PSAs are usually straightforward and designed to be easily understood by a wide audience.

“public service announcement”的英语定义和含义

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