请问这句话中不定式是做什么成分啊?

问题描述:

请问这句话中不定式是做什么成分啊?
This contribution,obviously,includes all the painstaking endeavors made during the school time,the financial loans gained from the government or their parents to cover the full cost of their education.to cover the full cost of .的语法点,

This contribution,obviously,includes all the painstaking endeavors made during the school time,the financial loans gained from the government or their parents to cover the full cost of their education...