乌鸦为什么会受狐狸的骗呢？世上有不少骗子，他们的骗术并不一定高明，为什么总有人受骗？受骗的人都像乌鸦一样，吃了虚荣和贪婪的亏。

Why are crows deceived by foxes? There are many liars in the world, and their tricks are not necessarily brilliant. Why are there always people who are deceived? Those who are deceived because of vanity and greed, just like the raven.