1、Thank you for your generous contribution to the charity organization.
感谢你对慈善组织的慷慨捐款。

2、His contribution to the field of science cannot be underestimated.
他对科学领域的贡献不可低估。

3、She made a significant contribution to the success of the project.
她在项目的成功中做出了重要贡献。