So, we have an " inbox, " and an " outbox." Well, one of the things you can send via email – that is, through email, is " attachments." An " attachment" (attachment) is another file.
所以,我们有一个“收件箱” 和一个“发件箱” 。嗯,您可以通过电子邮件发送的东西之一 - 即通过电子邮件, 是“附件” 。 “附件” (附件)是另一个件。