[uncountable] advertisements and discussion on television, radio, etc. telling the public about a product, service, etc. and about how good or important it is
（电视、广播中言过其实的）促销广告，促销讨论◆marketing/media hype
夸张的营销／媒体广告◆Despite all the hype about/surrounding electronic books, sales have been slow.
尽管为电子图书进行天花乱坠的宣传，销售却一直进展缓慢。