We'll have to see if this effort really does take off or whether it's just another flash in the pan.

我们会看到这一行为究竟是真的能发挥作用呢，还只是又一个昙花一现罢了。

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You did not have to be a card-carrying intellectual to think that Azusa Street was a flash in the pan.

即便你不是个正式的知识分子，也会认为亚苏撒街不过是昙花一现。

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Industry analysts see the current gains as more than a flash in the pan.

行业分析师认为现今销售量的增加并不是昙花一现。

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Do they represent the next major challenge for the U.S. and a new corporate form that poses a major threat to the survival of U.S. corporations or, as in the case of Japan, is this a flash in the pan that will in due course also implode with devastating consequences for the Chinese economy?

FORBES: Are Chinese State Owned Enterprises A Threat To U.S. Companies?

Today, app store users around the world are going to have their moment in deciding whether the Angry Birds phenomenon was a flash in the pan or a slightly longer, sustained fire in the pan.

FORBES: Angry Birds: Space Launches Today. Can It Keep Rovio on Top?

To some old-school analysts this makes fracking seem like a flash in the pan.

FORBES: Will Natural Gas Stay Cheap Enough To Replace Coal And Lower US Carbon Emissions