可以看出，在内部databaseutil类中，用户的邮件和联系人的URL都已经定义好了。

As you can see in the internal DatabaseUtil class, both the user's mail and contacts have had URLs defined.

youdao

可以看出，在内部databaseutil类中，用户的邮件和联系人的URL都已经定义好了。

As you can see in the internal DatabaseUtil class, both the user's mail and contacts have had URLs defined.

youdao