研究者给了志愿者们一些外包装气泡膜，告诉他们随便挤破多少都可以。

Volunteers were given bubble wrap and told they could pop as much of it as they wanted.

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城市或城镇应该为处理电视外包装的气泡膜买单。

Cities or towns be responsible for paying to deal with the bubble wrap that encased your television.

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要制作于珍珠棉袋、气泡膜袋包装电子产品的包装袋等。

The main production of EPE bags, bubble film bags, etc.

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