More than a hundred delegates will put their heads together in Montreal to discuss the role of each country in environmental protection.上百名会议代表将聚在蒙特利尔共同商讨环境保护中各个国家的职责。We've put our heads together and reached an agreement on how we should tackle the issue.我们集思广益，一起商讨，然后对如何解决该问题达成了共识。If you had put your heads together instead of blaming each other, the dispute would've been settled by now.如果当时你们在一起出谋划策，而非相互责难，那么你们现在应该已经解决纠纷了。