也可以扩展preferences类，形成messagingpreferences类，用它包含针对内部用户的消息传递选项。

You can also extend the Preferences class to form a MessagingPreferences class, which will include messaging preference for internal users.

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诚然，你的朋友们无法生成足够多的、象亚马逊这样的公司用来形成自动推荐的数据，这会导致有限的选项。

Of course, your friends are not generating the amount of data that a company like Amazon may use to make its automated recommendations, which could result in fewer choices.

youdao

在形成一个标签控件，单击按钮可以在标签页面板的高度关注，得到如果移动到另一个选项卡来纠正。

In a form with a tabbed control, a button click reduces panel-height in TAB page in focus, which gets corrected if move to another TAB and come back.

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