If you choose a superhero theme because popular market research tells you that your user base likes that subject matter, be prepared for a half-dozen competitors to think the same way.

如果您选择以超人的主题，因为流行的市场调研告诉您，您的用户群喜欢这样的主题，你同时要做好有半打竞争对手也想到了同样的方式的准备。

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Use subject lines that carry a consistent theme that recipients will associate with your brand.

主题栏应该使用让收件人联想到你的品牌、一致的主题。

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Analysts said that property values already fully reflect benefits of the theme park, long the subject of speculation.

分析师们说，由于这一主题公园早就成为炒作的题材，因此它带来的益处已经在房地产价格中得到了充分反映。

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Reporters assigned an arts profile like nothing better than to find a pattern or unifying theme in the subject's work.

WSJ: Cultural Conversation: Harriet Harris Loves Playing Bad Girls

Please include the title of theme in the subject line of your message and remember to add your name and a caption: who, what, where and when should be enough, though the more details you give, the better your chance of being selected.

BBC: We set the theme; you take the pictures

In the session on article and feature writing, the lecture covered -- how to select a subject, how to write a theme sentence to determine the parameters of the subject, and how to collect and sort out the material.

UNESCO: Communication and Information