tag line
noun/ˈtæɡ laɪn/
/ˈtæɡ laɪn/
(informal)- (North American English) (also punchline British and North American English)the last few words of a joke that make it funny
（笑话最后的）包袱，妙语 - (also slogan)a word or phrase that is easy to remember, used for example by a political party or in advertising to attract people's attention or to suggest an idea quickly
标语；口号