Zheng S. -M. , Wang S. -Q. , Ma J. , Kong L. -N. , Sun X. -M. , Li S. Mental status of myocardial infarction patients undergoing autologous bone marrow stem cell transplantation.

郑淑梅，王霜秋，马静，孔令娜，孙雪梅，李双自体骨髓干细胞移植治疗心肌梗死患者心理状态调查分析。

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Sun Zheng thought he should do something for his mother. He decided to help his mother do some housework.

孙峥觉得应该为妈妈做点事，他决定帮妈妈做些家务。

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Earlier we mentioned that Emperor Taizong of Tang Dynasty had an honorable queen, Zhang Sun, as well as a blunt and loyal minister, Wei Zheng.

前面说到唐太宗有个贤德的长孙皇后，还有个直言敢谏的诤臣魏征。

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And when the markets are up, a fund's returns don't necessarily tell you anything about how it will perform in the future, says Zheng Sun, a finance professor at the University of California, Irvine.

WSJ: Upside: Protecting Your Portfolio From a Downturn

"The trade data (shows) that external demand still remains weak, which is widely-known to the market, so I think investors will pay more attention to indicators that reflect companies' business operations, profitability and revenue growth, such as industrial production and power consumption, before they make up their mind, " said Dongxing Securities analyst Sun Zheng.

WSJ: Nikkei Outperforms, Shanghai Treads Water

Sun and co-authors Lu Zheng of UC Irvine and Ashley Wang of the Federal Reserve studied the returns of some 5, 000 hedge funds from 1994 to 2011, adjusting for the funds' stock and bond exposure, currency bets, credit spreads and other factors that could account for performance.

WSJ: Upside: Protecting Your Portfolio From a Downturn