大だいキャンペーン

noun

grand-scale campaign; massive campaign

Refers to a large-scale promotional or marketing campaign, often used in business or media contexts.

• 新しん商しょう品ひんの発はつ売ばいに合あわせて大だいキャンペーンを実じっ施しした。

  We ran a massive campaign to coincide with the launch of the new product.