Chapter four: Liu an and His Age.

第四章：刘安和他的时代。

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Liu An as a vassal king, influenced by the social ethos, wrote books to demonstrate his theory. He attempted to set up a utopia that he dreamed or for Han dynasty.

作为诸侯王的刘安，受这时代风气的召唤，以饱学之才华著书立言，企图建立他为汉廷构筑的理想国。

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If you want to be an excellent runner like Liu Xiang, you must be in good health and be prepared to go through much hard work.

如果你想成为一名像刘翔一样优秀的运动员，你必须保持身体健康，准备好经受大量刻苦的训练。

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Pascal Liu is an economist with the FAO's trade and markets division.

VOA: standard.2010.04.11

"After news that Cyprus is selling its gold, there's speculation that other debt-ridden countries might sell theirs, " said Joyce Liu, an investment analyst at Phillip Futures in Singapore.

WSJ: Gold On Track for Biggest One-Day Fall Since 1983

But as was the case in console-based gaming, the Chinese government has intervened, says Ning Liu, an analyst at BDA. Licensing of new versions of foreign games has been delayed, and local firms have gradually learnt to develop their own products.

ECONOMIST: Online gaming in China

"If this technology works on a commercial scale the way we believe it will, the treatment of wastewater could be a huge energy producer, not a huge energy cost, " said Hong Liu, an associate professor in the OSU Department of Biological and Ecological Engineering.

ENGADGET: Researchers create super-efficient microbial fuel cell, dream of selling excess electricity