出版商可以利用这些数据进行营销，而不能够提供打印机/数码包类的服务.

Publishers are able to use that data for marketing, and aren't able to offer up print/digital bundles as well.

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在2001年，我们注意到一个喜欢摄影的大学生，将自己20磅的相机包里的使用35毫米胶片的尼康相机放在家里，而随身带着轻巧的数码相机。

In 2001, we noticed a colleague who rhapsodized about the quality of his 35mm Nikon cameras was leav-ing the 20-pound camera bag at home and taking his tiny digital camera everywhere he went.

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从比喻的角度来看，“壳”就是他们在汽车上背着的一个个包，堆的各种电线、光盘、数码密钥、电池、各种插头和纸面文件(以防光盘失效)。

In the metaphorical sense, the shell might be a "carry-on" bag on wheels, stuffed full of cables, discs, dongles, batteries, plugs and paper documents (just in case of disc failure).

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