tie-in

• 名词，指用于将物体连接或固定在一起的系带、扣件或装置；也指（电影、书籍等）与其他作品相关联的衍生作品或配套产品。

A noun referring to a fastener or device that serves to join or connect items together.

1. Connection or linkB2formal

   A relationship or connection between two or more things, often used in marketing or storytelling.

   关联

   • The movie had a tie-in with a popular video game.
   • There is a clear tie-in between the new policy and the company's goals.
   • The book series has a tie-in with the television show.

   同义词affiliationassociationconnectioncorrelationhookupinterrelationlinklinkagerelation

   反义词disconnectiondisunionseparation

2. Fastener or connectorB1formal

   A device or object used to join or connect two things together.

   连接件

   • The tie-in for the cable was broken.
   • He used a metal tie-in to secure the pipes.
   • The rope tie-in held the tent firmly in place.

   同义词binderbuckleclampclaspconnectorcouplingfastenerhookjointlatchlinktie