名词短语
中文翻译：退款保证
同义词：
['refund policy', 'return policy']
例句：
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1. We offer a money-back guarantee on all our products.
我们对所有产品提供退款保证。
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2. The store has a good return policy for customers who are not satisfied with their purchase.
该商店对不满意的顾客提供良好的退货政策。
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3. Before making a purchase, it's important to read the terms and conditions of the money-back guarantee.
在购买之前，重要的是要阅读退款保证的条件和条款。