Sentiment analysis is a branch of natural language processing (NLP) that seeks to quantify positive vs negative perceptions; akin to "tone" analysis.

情绪分析是自然语言处理的一个分支(NLP)，旨在量化积极和消极感知力；类似于“音调”分析。

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Conclusion: Most of patients with unexplained syncope have VS. ISOHUT may increase the positive rate. Metoprolol is an effective drug in treatment of VS.

结论：不明原因晕厥病人大部分为VS, ISOHUT可提高阳性检出率，美托洛尔治疗VS有效。

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In addition, a relatively more stable RMB vs other currencies could be positive to RMB internationalization in the long run, then BOC could be the biggest beneficiary of that.

此外从长远来看，与其它货币相比，相对更稳定的人民币可能有利于人民币国际化，届时中国银行可能是最大的受益者。

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First quarter revenue growth is expected to be a negative (0.1)% vs. positive growth of 0.9% at the beginning of the quarter.

FORBES: Move up http://i.forbesimg.com t Move down

The key work variable is zero-sum vs. non-zero sum (both negative-sum and positive-sum).

FORBES: The Fundamental 2x2 of Capitalism