给定一段简短的英文电子邮件文本，将其翻译成中文。
"Hi John,

I just wanted to follow up on the project we discussed last week. Can you send me your updated proposal by Friday?

Thanks,
Sarah"
嗨John，

我只是想关注一下我们上周讨论的项目。你能在星期五之前把你更新的提案寄给我吗？

谢谢
Sarah