关于英语倡议书结尾的万能句式，综合多个权威来源整理如下：

一、常见结尾句式

直接呼吁型

- We sincerely hope that this initiative will be widely publicized and supported, and that everyone can play their part in protecting our environment.

- It is high time that we took action to [行动内容] for the sake of [受益群体]。2. 感谢与期待型

- Thank you for your consideration. We look forward to your active participation.

- Your support means a lot to us. Please join us in making a difference.

二、实用表达推荐

强调行动意义

"Every small action counts. Together, we can turn the tide of [问题]."

展望未来

"Let us pave the way for a greener tomorrow by [具体措施]."

简洁有力

"Join hands! The future depends on us."

三、格式建议

结尾部分通常为1-2段，第一段总结倡议核心，第二段发出具体号召。注意使用礼貌用语（如"Thank you"）和祈使句（如"Please"）增强感染力。

注：实际使用时需根据倡议主题调整句式，例如环保倡议可侧重"行动号召+未来展望"，教育倡议则更强调"责任与期待"。