When you open a message from OWA, the subject line of the message is contained in the URL that is requested from the server.

当您从 OWA 打开一个邮件时，该邮件的主题行包含在服务器所请求的 URL 中。

youdao

You can also load data from an external URL with the open function. For example, this statement prepares to parse one of my Atom feeds.

还可以使用open函数从外部URL载入数据。

youdao

You can now click a URL directly from your timeline without having to open the related tweet.

ENGADGET