在每次运行之前，创建全部邮件文件的新拷贝以使运行变动最小化。

Before each run, all new copies of the mail files were created in order to minimize run variability.

youdao

邮件里面有没有全部字母大写的部分？

Is any portion of the email in all caps?

youdao

所以，当你在互联网上发送一封电子邮件的时候，你邮件的全部信息是被分成许多数据包来发送的。

Those chunks are called packets. So when you send an email across the Internet, your full email message is broken down into packets.

youdao