整个操作系统足够小到能够直接在系统内存中运行，所以程序启动很快，而且对用户输入的响应也很积极。

The whole OS is small enough to run directly from system RAM, so applications start quickly and respond to user input instantly.

youdao

然而，事情并不总是按我们希望的方式运行，也很少像我们想要的那样很快成功。

But things don't always work the way we want, and they seldom happen as fast as we'd like.

youdao

速度：我测试的每部机器上，Windows 7的运行速度都很快，延迟现象也比Vista上常见到的要少的多。

Speed: In my tests, on every machine, Windows 7 ran swiftly and with far fewer of the delays typical in running Vista.

youdao