封面函末段应写上几乎所有期刊都预期你纳入的标准声明。例如：

● 表明所有作者均已同意向目标期刊投交原稿的声明：●  本文所有作者均已细阅及通过本原稿，并同意向《期刊名称》投稿。（All authors have read and approved the manuscript and have agreed to submit it to Journal Name.)

● 有关原创性和仅向该期刊投稿的声明：●  本原稿此前从未发表，且并没有由其他期刊考虑。（The manuscript has not been previously published and is not being considered by another journal for publication.)

● 有关使用有版权资料已获许可的声明：●  本原稿附有Chan et al. (2020) 发表的图表，并已获准在本原稿复制该图表。（Our manuscript includes a figure published by Chan et al. (2020). We have obtained the necessary permission to reproduce the figure in our manuscript.)

● 谁是通讯作者：● 请注意我是本投稿的指定通讯作者。（Please note that I am the designated Corresponding Author for this submission.)

最后，以专业的文笔感谢编辑审阅你的投稿，但不要使用过份奉承或诚意不足的语气。

✓  We thank you for considering our submission and we look forward to hearing from you.

✗  We are extremely indebted to you for graciously considering this humble manuscript for possible publication in your highly esteemed journal. Please reply soonest! Thanks!