国こっ家か間かん

noun which may take the genitive case particle 'no'

cross-national; between nations; international

Used as a no-adjective to describe relations, comparisons, or activities between countries. Often appears in formal or academic contexts.

• 国こっ家か間かんの協きょう力りょくが不ふ可か欠けつだ。

  Cooperation between nations is essential.

• 国こっ家か間かんの経けい済ざい格かく差さは依い然ぜんとして大おおきい。

  The economic disparity between nations remains large.