poster child

Canada US idiomatic

(chiefly Canada, US, idiomatic) One who is a prototypical or quintessential example of something.

Japanese Meaning

典型的な例（あるいは、象徴的な存在） / その物事の代表例

After launching the community garden project, she quickly became the poster child for urban sustainability initiatives.

コミュニティガーデンのプロジェクトを立ち上げた後、彼女はすぐに都市の持続可能性の取り組みの典型的な例となった。

Sense（1）

(chiefly Canada, US, idiomatic) One who is a prototypical or quintessential example of something.

He's a poster child for militant vegetarianism.

poster children

（ plural ）