英语语法问题,that make it worthwhile

sometimes, success is not a pat on the back or the promotion that make it worthwhile, but...问题来了,that make it worthwhile为啥不能放在success后面? 是属于什么成分,修饰谁,定语吗?

Sometimes,success is not a pat on the back or the promotion that make it worthwhile.
a pat on the back:
称赞,赞扬。
全句意思是:
有时候,成功并非是身处一片赞扬声中,或者很看起来很有价值的工作提拔。
that make it worthwhile 做定语从句,修饰 promotion。
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