紙し上じょう計けい画かく

noun

paper plan; plan on paper; theoretical plan

Refers to a plan that exists only in theory or on paper, often implying it has not been tested in practice. Similar to 'paper plan' or 'armchair strategy'.

• その紙し上じょう計けい画かくは現げん実じつ的てきではなかった。

  That paper plan was not realistic.

• 紙し上じょう計けい画かくに過すぎないので、実じっ際さいに試ためしてみる必ひつ要ようがある。

  It's just a plan on paper, so we need to actually try it out.