你发电子邮件给一个朋友很久没联系的朋友，邮件里包含什么？

When you email a friend to catch up, what does it entail?

youdao

你发电子邮件给一个朋友很久没联系的朋友，邮件里包含什么？

When you email a friend to catch up, what does it entail?

youdao