496. The old story of... serves as a good illustration that...
那个...的老故事可以很好地证明...

六级词汇讲解:
本句型是典型的引用故事或者名言以增强表达效果和说服力的句型。在本句中，serve as意为“用做”。illustration意为“例证；实例”。如：

It affords, says Morgan, a "good illustration of the operation of the principle of natural selection"．
按照摩根的看法，这可以作为“自然选择原则发生作用的最好例证”。

句型拓展:
The old saying "Spare the rod, spoil the child" was taken as a motto by some parents.
有些家长信奉“孩子不打不成器”这句老话。
The story handed down was a good illustration of the patience required to deal with the problem.
流传下来的小故事充分说明了处理这个问题是很需要耐心的。