It even lets you read and write fields and call methods of a class selected at run time.

它甚至使您能够读写字段，调用运行时选择的类的方法。

youdao

For the end user, the Asurion address book is more than just a fun way to see a contact's social information - it also lets you return a phone call via email, IM, or even a status update.

对终端用户而言，该地址簿不只是查看联系人的有趣的社交信息，它还允许用户通过电子邮件，IM甚至状态更新来回复电话。

youdao