496. The old story of... serves as a good illustration that...
那個...的老故事可以很好地證明...

六級詞匯講解:
本句型是典型的引用故事或者名言以增強表達效果和說服力的句型。在本句中，serve as意為“用做”。illustration意為“例證；實例”。如：

It affords, says Morgan, a "good illustration of the operation of the principle of natural selection"．
按照摩根的看法，這可以作為“自然選擇原則發生作用的最好例證”。

句型拓展:
The old saying "Spare the rod, spoil the child" was taken as a motto by some parents.
有些家長信奉“孩子不打不成器”這句老話。
The story handed down was a good illustration of the patience required to deal with the problem.
流傳下來的小故事充分說明了處理這個問題是很需要耐心的。