Not only will they likely contain more cache-friendly features, new versions also usually have important security and performance improvements.

不仅因为它们包含更多利于缓存的功能，新版本往往在性能和安全性方面都有很多的改善。

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What's more, S3's security features let you further specify when people can download videos and even specify who can download them.

更重要的是，S3 的安全特性可以帮助您进一步指定人们何时可以下载视频，甚至可以指定谁可以下载。

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Not only is it more efficient, modular, and XML-oriented, it is also flexible and extensible and it implements enterprise features such as security and reliability.

它不仅更高效、模块化、基于XML，而且具有灵活性和可扩展性，实现了安全性和可靠性等企业功能。

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In addition, the Acer C7 Chromebook is incredibly affordable as a stand-alone product, and even more affordable when schools consider the reduced total cost of ownership thanks to its manageability and security features.

FORBES: Acer Upgrades C7 Chromebook With Improved Battery, More Memory