N-COUNT (引人注意或关注的)噱头,花招 A gimmick is an unusual and unnecessary feature or action whose purpose is to attract attention or publicity. (引人注意或关注的)噱头,花招 [disapproval]
It is just a public relations gimmick.
这只不过是一种公关伎俩。
The exhibition is informative, up to date, and mercifully free of gimmicks.