过去，“中国制造”会让人们想起价格低廉、质量差的产品。

In the past, "Made in China" made people think of cheap and poor quality products.

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本文讨论造成数据质量差的原因。

This article discusses causes of poor data quality.

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严禁使用，至少在空气质量差的那几天，会产生扬尘。

Verboten, at least on "bad air" days. They kick up dust.

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So you can have good quality and less quality. It depends on your pocket.

所以你可以买质量好的和质量差的。这要看你口袋里有多少钱。

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