出游时, 儿童常常因为兴奋而出现跌倒 、 扭伤等小意外.
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To make this simpler, research workers often use specific gravity instead of density.
为了简便, 研究人员常常使用比重而不使用密度.
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在 多目标 决策问题中, 满意解常常要在 非 劣解中寻找.
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Granted , we often say things we don't mean when being solicited for money.
诚然,当被恳求施舍金钱时, 我们常常会顾左右而言他.
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Fame is often simply a matter of being in the right place at the right time.
成名常常是身在其位,恰逢其时,仅此而已。
《牛津高阶英汉双解词典》
For example, economists frequently make simplifying assumptions about mathematical form.
比如说, 经济学家们常常对数据形式作出单一化的推测.
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