If you took apart the plastic anti-theft tag on a DVD case, you'd find a thin piece of metallic glass that looks like aluminum foil.

如果你把一个DVD盒上的塑料防盗标签拆下来，你将会发现看起来像铝箔的一层很薄的金属玻璃。

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Using a fictitious online DVD rental case study throughout, the series does the following.

本系列将通过虚构的在线d VD租赁案例研究，进行以下工作。

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These tutorials use a fictitious online DVD rental case study throughout for three main purposes.

本系列教程通过一个贯穿始终的假想的在线d VD租用的案例研究，达到以下三个主要目的。

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What's more--and tangible--an Emmy-winner sticker on a DVD case can prove a differentiator at the checkout aisle.

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The publisher will also be rolling out an environmentally friendly DVD case for all their future PC releases.

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Although the rate of decline has slowed down, we do not foresee a case where the DVD subscriber base will stabilize, let alone grow.

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