三さん角かく貿ぼう易えき

noun

triangular trade; trilateral trade

Refers to trade among three regions or countries, often in a historical context (e.g., the Atlantic triangular trade) or modern economic agreements.

• 歴れき史しの授じゅ業ぎょうで、三さん角かく貿ぼう易えきについて学まなんだ。