successful story vs. success story

Taiwan success story的意思是台灣成功的故事， 說明台灣是如何成功的。

Taiwan successful story的意思是有一個台灣的故事，它的內容精彩，情節動人，寫作技巧精湛，可說是一篇非常成功的故事。

例如: It is our teacher’s success story which he often tells us.

例如: It is a successful story which our teacher wrote years ago.