One thing is the balance or ratio between positive and negative ions.
一种情况是正负离子平衡问题，或比率问题。
It tries to balance positive and negative reviews, so shoppers get a balanced perspective.
它尝试让好评和差评保持一种平衡的状态，这样，顾客能从正反两方面了解产品。
It tries to balance positive and negative reviews, so shoppers get a balanced perspective.
它尝试让好评和差评保持一种平衡的状态，这样，顾客能从正反两方面了解产品。
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