Our country now has the longest high-speed rail network in the world.

我国现在拥有世界上最长的高速铁路网。

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Today China has the longest high-speed rail network among all the countries in the world.

今天，中国拥有世界上最长的高铁网络。

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We can't build a high-speed rail network in the United States for $8bn.

80亿美元不能让我们在美国建成高铁网络。

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Responsible for overseeing investment in China's high-speed rail network, Mr Liu came under investigation for allegedly embezzling funds.

BBC: Ex China rail minister Liu Zhijun charged with corruption

For the Conservatives, Alex Johnstone welcomed the commitment in the Conservative-Liberal Democrat coalition negotiations to establish a high-speed rail network.

BBC: High speed rail link debate

China is spending hundreds of billions of dollars on its high-speed rail network - it's already the biggest in the world.

BBC: China's 'Grandpa Wen' seeks to soothe crash tension