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The result is a standardised product made in a fairly small number of varieties, produced at low cost and of mediocre quality.

其结果是一个低成本和普通质量的标准化产品，它只由相当少量的品种组成。

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About 2000 distinct varieties of cheese are produced throughout the world, representing approximately 20 general types.

全世界大概有2000种左右不同种类型的干酪，他们代表了大概20种类型。

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Scientists developed new seed varieties and fertilizers that produced more food per acre.

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Introducing multiple varieties of this product has not produced growth that even matched inflation across the years.

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But, more significantly, the genetically modified varieties tended to do worse than those produced by traditional methods of plant breeding.

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