这两个东西虽然意思差不多但是有本质的区别：to success的to是介词+名词结构；to succeed是动词不定时结构；Five-year-hard work leads him to success;To succeed,he resorts to all means 为了成功他不择手段.He d...Five-year-hard work leads him to success;He does everything he can to succeed。这两句话的succeed，success能互换吗？不能互换，lead....to.....这个to是介词后面只能跟名词因此只能用success后一句的to succeed是一个动词不定式用来表示目的的