感谢大家的贡献可以用英文表达为 "Thank you for your contributions"。这个短语的来源是由 "thank" 和 "contribution" 两个单词组合而成的。"Thank" 是一个动词，表示 "感谢"，"contribution" 是一个名词，表示 "贡献"。

下面是一些例句：

"Thank you for your contributions to the project. Your hard work and dedication have made a big difference."
(感谢你对这个项目做出的贡献。你的辛勤工作和奉献精神使得我们取得了很大的进展。)

"I just wanted to say thank you for your contributions to our team. Your ideas and insights have been invaluable."
(我只是想说一声感谢你对我们团队做出的贡献。你的想法和见解对我们来说非常宝贵。)

"Thank you for your contributions to the community. Your volunteer work has made a positive impact on so many people."
(感谢你对社区做出的贡献。你的志愿者工作给许多人带来了积极的影响。)