Dan Lyons raises a provocative question in his latest Newsweek article: is Silicon Valley still solving hard problems?

丹里昂在最新的新闻周刊里提出了一个发人深省的问题：硅谷仍在解决难题？

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Some speaking specialists suggest opening with a provocative question, or a recent news event that relates to your topic.

有些演讲专家建议演讲的开头可以提一些发人深省的问题或讲一些与你的演讲主题有关的新闻。

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Some speaking specialists suggest opening with a provocative question, a snappy anecdote, or a recent news event that relates to your topic.

关于演讲如何开头，有些专家建议可以提个发人思考的问题，讲个简短的趣闻逸事，或者最近发生的某则与你的话题有关的新闻故事。

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The Vertu Ti raises a provocative question relevant to the estimated one billion smartphone users in the world: Should our smartphones be less of a disposable consumable something that will soon become obsolete and thoughtlessly replaced and more of a durable good, an investment that transcends minor gadget trends?

WSJ: Vertu Ti: Upwardly Mobile | Geek Chic

But the MediaFLO sale does point up a more provocative question: Does Qualcomm have trouble launching new businesses?

FORBES: Is Qualcomm's FLO TV Sale A Sign It Can't Develop Its Own Businesses?

On slower news weeks, the satisfaction was in posing a pressing or provocative question about the economy, or race relations, or gay rights, or the fight to improve our health or save our schools.

CNN: The race for the perfect cover: 'Heaven while it lasted'