He could remember the number of meat cans he dropped off, the price of the gas, the feel of the paper bills in his hand.

他拿了几个肉罐头，煤气的价格，账单拿在手中的纸质触感。

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A steady paper trail of bills, grades, pay stubs, and catalogs helps us create our individual identity.

持续不断的纸面记录——帐单、评分、工资单、商品目录——帮助我们建立了个人的身份标识。

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In addition, the researchers found that participants who counted out the bills rated themselves as feeling "strong" more often than the paper counting group.

另外，研究者还发现，数钱的志愿者相较数纸的志愿者更能感觉到自我状态良好。

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Disease-causing organisms such as staphylococcus aureus and pneumonia-causing bacteria have been detected in paper bills.

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Polymer banknotes are printed on a non-porous plastic film, making them more durable than traditional rag-based paper bills.

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Even so, with around three-quarters of billers, including most utilities, still offering only paper bills, change is unlikely to be quick.

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