名词
中文翻译：保险
同义词：
['protection', 'security', 'safeguard']
例句：
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1.He bought insurance for his car to protect it against theft.
他为他的汽车买了保险，以保护它免受盗窃。
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2.The company provides various types of insurance policies to its customers.
该公司向其客户提供各种类型的保险政策。
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3. Insurance is a legal contract that insures against financial loss.
保险是一种法律合同，以保护免受财务损失。