完成上述事件通道的大致实现并将消息邮件收发器重写成多适配器。

Finish the outlined implementation of the event channel above and rewrite the message mailer to be a multi-adapter.

youdao

用户删除消息或清空垃圾后，必须压缩服务器上的邮件数据库。

After users delete messages or empty the trash, they must compact their mail database on the server.

youdao

让我们从一些坏消息开始吧，美国人在科技技能上表现太差了，比如使用电子邮件，在电脑上给文件命名，用网页上的链接，或者发短信给某人。

Let's start with the bad news that Americans are terrible at technology skills, using email, naming the file on a computer, using the link on a webpage or just texting someone.

youdao

That file was electronic message, so suddenly in about 1971, we had e-mail. So an e-mail was pretty much the major use of the internet for the next 20 years.

那种文件就是电子消息，如此突然的，约在,1971年，我们有了电子邮件，电子邮件,基本上是此后20年互联网的主要运用形式。

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