When the same effect is produced by an agreement among several firms, the group of firms is called a cartel.
由多个公司组成的协议联盟，被称之为“卡特尔”的组织也会带来同样的效应。
2
In effect, the agreement creates a legally sanctioned cartel for digital-book rights that could artificially inflate the price of library subscriptions.
实际上，协议将创立一个法律认可的数字图书版权企业联盟，人为地抬高图书馆订阅费。
3
Cartel — a collusive agreement among producers to restrict production and raise prices.