広こう告こく代だい理り業ぎょう

noun

advertising agency business

Refers to the industry or business of advertising agencies, including planning, creating, and placing advertisements.

• 彼かれは広こう告こく代だい理り業ぎょうに長なが年ねん携たずさわっている。

  He has been in the advertising agency business for many years.