Competition in the market has led to goods being produced cheaply and a consequent deterioration in quality.

市场上的竞争导致了商品的廉价生产，随之质量也下降了。

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This brings about an advantage of making it possible to suppress deterioration in quality of an image whose preview is displayed.

由此，起到能够抑制预览显示的图像的画质劣化的效果。

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What's worse, over a long time, their bad conditions will result in the deterioration in quality of their study and the decrease in grade.

更糟的是，长期以来，他们这种糟糕的状态会导致学习质量的下降和学习成绩的退步。

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However, the improvement in the company's finances was marred by sharp deterioration in the quality of its service.

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The downgrades were not really a reflection of recent deterioration in issuer quality.

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Higher temperatures, of course, create greater demand for air conditioning, which requires higher energy consumption and a deterioration in air quality.

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