对于其他方面的功能(比如注册或客户服务)，可以选购现成的软件包或者使用外包服务。
Other areas, such as registration or customer service, are places you might choose to support by purchasing off-the-shelf packages from a vendor or using an outsourcing service.
选购的 Storage Optimization Feature 可减少最高达 80% 的磁碟空间使用，并可提高效能。
The optional Storage Optimization Feature can reduce disk space usage up to 80% while improving performance.
在Netflix将DVD光碟与流媒体电影电视两种服务结合在一起时，它不仅提供了大量可选购的最新内容，而且很容易使用户感到满意。
When Netflix combined DVDs and streaming, it offered both a vast selection of up-to-date content and the prospect of instant gratification.
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