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

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

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