tie-in
英 [ˈtaɪ ɪn]
美 [ˈtaɪ ɪn]
n. (与新上演的电影或电视节目等)相关的产品，有关的书籍，有联系的玩具
复数：tie-ins
牛津词典
noun
- （与新上演的电影或电视节目等）相关的产品，有关的书籍，有联系的玩具
a product such as a book or toy that is connected with a new film/movie, television programme, etc.
英英释义
noun
- a fastener that serves to join or connect
- the walls are held together with metal links placed in the wet mortar during construction