set piece
noun [ C usually singular ] uk/ˌset ˈpiːs/ us/ˌset ˈpiːs/
（电影、戏剧等中激动人心却往往没有必要的）噱头，固定套路
part of a film, play, etc. that is exciting and attracts attention, but is often not a necessary part of the story
UK (US set play)（体育运动中）事先布置好的战术
a move in a sports game that has been planned and practised