tag-line

基本解释

"Life is short. Have an affair," reads the tag-line.
“人生短暂，有次外遇吧”标语口号是这么说。
Really we should be highly critical otherwise, before we know it, we're singing the jingle, quoting the tag-line and buying the product.
只要不高度留意着，我们不知不觉就开始哼唱广告歌，引用广告词，购买广告宣传商品了。
The draft should include the tentative date, time, venue (place), chief guest, name of the event, and a theme or tag-line for the event.
草稿应包括初定日期，时间，地点，贵宾，项目名称以及主题或宣传语。

The tag line--"Ask your doctor about Viagra"--was more polite suggestion than pitch.
FORBES: Technology
Enraptured by both the Southern Vampire series' tag line--"Maybe having a vampire for a boyfriend wasn't such a good idea"--and his own inability to put the stories down, he decided to reach out to author Charlaine Harris about adapting them for television.
FORBES: HBO Craves True Blood
LeapReader's a sort of spiritual successor to the company's Tag line, maintaining the reading tool's pen-like form factor, while adding writing to the equation.
ENGADGET

The tag line of something such as a television commercial or a joke is the phrase that comes at the end and is meant to be amusing or easy to remember.