名词
中文翻译：承保费用差额
同义词：
['underwriting margin', 'underwriting spread', 'spread for underwriting']
例句：
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1.The insurance company has to pay a higher underwriting spread for the riskier policies.
这家保险公司为了高风险保单支付了更高的承保费用差额。
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2. The underwriter needs to calculate the underwriting spread based on the premiums and losses.
承保人需要根据保费和损失来计算承保费用差额。
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3.The underwriting spread is an important factor in determining the cost of insurance.
承保费用差额是决定保险成本的一个重要因素。