中毒控制中心每年报告的这类误食“纽扣”式电池的案例约3,500起。

About 3, 500 cases of button cell battery ingestion are reported annually to poison control centers.

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以充电电池取代抛弃式电池，长此以往既可省钱又可以减少土地污染。

By using rechargeable batteries instead of disposables, you will save money and reduce land pollution in the long term.

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而且，和大部分可充电式电池相比，超级电容器有更长的工作寿命，长期来看更显优势。

And compared with most rechargeable batteries, supercapacitors tend to have a longer working life. In time that too would become a more obvious benefit.

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