It is known that pollution is a long-term problem, and no single government can meet the challenge alone.

众所周知，污染是一个长期问题，没有任何一个政府能够单独应对这个挑战。

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Yet this suggests a long-term problem.

然而这暗示着一个长期的问题。

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And this creates a long-term problem.

这引发了一个长期的问题。

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The long term solution to the traffic congestion problem, Clark says, is not building more roads, but changing the way we design our cities and how we live our lives.

VOA: standard.2010.07.26

The problem with long-term risks, also, is that anything that we do to mitigate these risks creates moral hazard.

关乎长期风险的问题，我们要采取一切手段,减轻这些风险,带来的道德风险。

耶鲁公开课 - 金融市场课程节选

That's what we have to think about and it's a long-term problem.

这是我们要考虑的问题,这是个长期问题。

耶鲁公开课 - 金融市场课程节选

Dickey is a short term fix to a long term problem for the New York Mets.

FORBES: Trading R.A. Dickey could be the Gateway to Greener Pastures for the New York Mets

This is a serious, long term problem for American prospects in the world economy.

FORBES: The Rust Belt Rains Red Due To Failure To Invest In Infrastructure

But that's not a long term problem - you can build devices which work at different frequencies.

BBC: Viewpoint: What 4G means for you and your phone