如果是这样，您应尽力获得一些随机的业务数据样品，并允许客户修改一些数据值，且不影响数据质量。
If this is the case, you should try to get a random sample of the business data and allow your customer to change some data values without affecting data quality.
制造商对最终产品的每个类型，样式和尺码测试一个样品。从仓库和零售架上随机抽取的样品。
One manufacturer tests one sample of every type, style and size of finished products. Random samples are taken from warehouses and retail shelves.
一些零售商随机从每批产品中抽取3-4 件样品。
Some retailers pull 3-4 random samples from each product group.
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