a product such as a book or toy that is connected with a film/movie, television programme, etc. （与新上演的电影或电视节目等）相关的产品（或书籍、玩具等）◆tie-in products to help market the movies 帮助推广电影的相关产品
the act of advertising or selling a product or service that is closely related to the main product or service being advertised or sold 搭售；搭卖广告◆Selling nail polish at the beauty salon is a great marketing tie-in. 在美容院附带销售指甲油是绝佳的推销方法。
when two or more companies work together, for example to try to sell their products （两个或两个以上公司间的）联合，合作◆a tie-in with an American satellite giant 与美国卫星巨头的合作
() a way of selling sth in which two or more products must be bought together; a product that is sold in this way 捆绑销售；搭售的产品◆tie-in deals which guaranteed they would buy more stock 确保他们会买入更多存货的搭售交易
a contract or an agreement that limits what you can do or makes you do sth for a fixed period of time 搭配合同；搭配协议◆Business customers can rent software on a monthly basis with no tie-in period. 企业客户不受搭配协议期的限制，可以按月租软件。
➡tie in (with sth), tie sth in (with sth) at tie verb