Go to the header, and add the HTML code in the Heading section.

在header部分，将HTML代码添加到Heading区段。

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If you are not sure what you want to learn, go through and turn every chapter heading, section title, etc. into a question.

如果你不确定自己想从阅读中学到些什么，浏览一遍文本，然后把每个章节的抬头、每个阅读部分的标题等都转化成一个问题。

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Once passengers are on board, the long-haul destination produces an instant camaraderie, and people begin to gather in the lounge car in an interesting cross-section that ranges from a beaming American family, heading for a wet week of ancestor-hunting, to a half-mooned lawyer type with a share in a Highland estate.

BBC: Full steam ahead