She made a significant contribution to the success of the project.
她为项目的成功做出了重要贡献。
Every donation, no matter how small, makes a contribution to our cause.
每一笔捐款，无论多小，都对我们的事业有所贡献。
He hopes to make a contribution to environmental protection through his research.
他希望通过自己的研究为环境保护做出贡献。
Volunteering is one way to make a contribution to your community.
做志愿者是为社区做贡献的一种方式。
Scientists around the world are working hard to make a contribution to finding a cure.
世界各地的科学家正努力为找到治疗方法做出贡献。
Even small actions can make a contribution to reducing carbon emissions.
即使微小的行动也能为减少碳排放做出贡献。