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1. The company's profitmargin is a key metric for measuring itsfinancial health.
该公司的利润边际是衡量其财务状况的关键指标。
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2. The new product has a highercharging ratio compared to the previous model,which means it will last longer.
这款新产品的充电比例高于前款，这意味着它的使用寿命更长。
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3. To optimize the battery life,the manufacturer has adjusted the charging ratio ofthe battery.
为了优化电池寿命，制造商已经调整了电池的充电比例。