the act of praising someone or something too much in a way that is not sincere

It's usually easy to tell the difference between sales puffery and fact. 通常情况下，很容易分辨营销时的夸张和事实之间的区别。

His book avoids academic puffery and offers real insight. 他的书避免了学术浮夸，颇有真知灼见。