make a contribution to doing sth 对做某事有贡献
其中的to是介词，后面需要搭配名词，代词，或动名词。
类似介词to：
contribute to
devote to
look forward to
pay attention to
the solution to
the answer to
notes to
key to
例如：
Who could give solutions to solving the problem?
谁能给出解决这个问题的方案？
祝你开心如意！