You can show and hide subtasks in an outlined schedule by clicking a summary task's outline symbol.

要显示或隐藏大纲日程中的子任务，可以单击摘要任务的大纲符号。

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You can steal a screenshot of the Mail Rules icon from the mail outline and use that symbol.

可以从邮件外观获取 Mail Rules 图标的屏幕截图并使用该符号。

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Behind the church's altar, Father Moretti placed a wooden cross showing mud huts and tall glass buildings as well as an outline of the country's map "a symbol of the resurrection of Afghanistan, " he says.

WSJ: Afghan Church Endures Amid War and Strife