一定规模的超市必须捐赠未使用的食品，否则将面临罚款。

Supermarkets of a certain size must donate unused food, or they will be fined.

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销毁未售出的库存，甚至销毁成卷未使用的衣料，这种做法对于奢侈品品牌来说是司空见惯的。

The practice of destroying unsold stock, and even rolls of unused fabric, is commonplace for luxury labels.

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美国海关声明，如果未使用的进口商品在其监管下进行销毁，则对该商品支付的99%的关税、税费或费用可以得到赔付。

United States Customs states that if imported merchandise is unused and destroyed under their supervision, 99% of the duties, taxes or fees paid on the merchandise may be recovered.

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If it was an unordered list, we were basically stuck with linear search. Got to walk through the whole list to see if the thing is there.

如果是一个未排序的列表,基本上我们就只能使用线性搜索了,通过遍历整个列表来查看。

麻省理工公开课 - 计算机科学及编程导论课程节选