contributor

例句：

1. 1.The company's contribution to the communityhas been significant.
   该公司对社区的贡献是显著的。
2. 2. He is a contributor toseveral charities.
   他是几家慈善机构的捐助者。
3. 3.Contributors are encouraged to share theirideas with others.
   鼓励捐助者与他人分享他们的想法。