They demand a refund on unsatisfactory goods.
他们对不满
的货品要求退款。
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In a study earlier this year, researchers analysed more than 600 samples of cheese made and sold across England, and found that five percent were borderline, and 12 were unsatisfactory, germ-wise. Four samples were potentially dangerous.
在今年早些时候的一项研究中,研究人员分析
600 
在英格兰制造和销售的奶酪样本,在细菌含量方面,发
其中 5% 的样本处于不合格的边缘,12% 的样本不满足卫生条件,四
样本具有潜在危险性。
