conclude a treaty; 订立条约
Our shop has made [entered into] a contract with a clothing firm to buy 100 coats a week. 我店已与服装公司订立了每周购进100件上装的合同。
牛津高阶第八版
美国韦氏词典
Dictionary.com
Free Dictionary
维基百科 (自由的百科全书)