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你必须购买有标有正规厂家生产的烟火。
You must buy fireworks which produce by normal factory.
youdao
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若产品有任何缺陷，你应把它返回生产厂家。
If there are any defects you should send it back to the manufacturer.
youdao
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若产品有任何缺陷，你应把它返回生产厂家。
If there are any defects you should send it back to the manufacturer.
youdao