conclude a treaty; 訂立條約
Our shop has made [entered into] a contract with a clothing firm to buy 100 coats a week. 我店已與服裝公司訂立了每周購進100件上裝的合同。
牛津高階第八版
美國韋氏詞典
Dictionary.com
Free Dictionary
維基百科 (自由的百科全書)