升级驱动来提高性能。

Performance is going to improve as drivers are updated.

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运营商说，为了跟上主要由在线视频驱动的飙升的流量，它们需要增加收入来升级网络。

Carriers say that to keep up with surging traffic, driven mainly by the proliferation of online video, they need to boost revenue to upgrade their networks.

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如果没有连接到互联网，一旦机器已经升级到Windows7，很难获得最新的驱动程序。

Without an Internet connection, it will be difficult to get other drivers and programs once the machine has been upgraded to Windows 7.

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