I offer a 7 day money back guarantee.

我提供了一个7天的退款保证.

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Please make sure you have read our terms and conditions on the money back guarantee.

请确定你读了我们的退款保证规定和条款.

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Do you offer a 30 day money back guarantee?

你们提供30天内无条件退费的保证 吗 ?

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We have a 30 day money back guarantee if not satisfied for any reason.

我们有30天的退款保证,如果没有任何理由感到满意.

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