这家商店读卡机的生产商，惠尔丰，对这种塑料袋技巧的功效不置可否。

Verifone, the company that makes the store's card reader would not confirm or deny that the plastic bag trick worked.

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这个商店读卡的制造商惠尔丰公司对这种塑料袋技巧的功效不置可否。

Verifone, the company that makes the store's card reader, would not confirm or deny that the plastic bag trick works.

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FDA表示死亡是因服用达尔丰还是因为事实上的药物过量所致很难辨别。

The FDA said it was difficult to show that deaths associated with Darvon use were not, in fact, overdoses.

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