Security in railway transportation economy is the foundation of national economy security.

铁路运输经济安全是国民经济安全的基础。

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The oil security is important component of the national economy security and the energy security.

石油安全是一个国家经济安全和能源安全的重要组成部分。

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Information security based on national economy security is one of the preconditions and foundations of national economic security.

基于国家经济安全的信息安全是保障国家经济安全的前提和基础之一。

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While Republicans were talking about national security, President Obama was discussing the U.S.economy.

VOA: standard.2009.05.09

"National security was not the biggest issue,". "I think the economy emerged.

VOA: standard.2010.01.06

Pelosi has pledged to focus on several items in the New Year: the economy, national security, health care and energy.

FORBES: Magazine Article

John Kerry is scheduled to campaign in Sioux City, Iowa, on Wednesday morning, where he is to give a speech tying together his themes of the economy, national security and criticism of Bush's performance as commander in chief.

CNN: Kerry: Bush has failed to?secure America

We've failed to appreciate the connection between our national security and our economy.

WHITEHOUSE: President Obama on the Way Forward in Afghanistan and Pakistan | The White House