电脑模拟器是一个有用的工具，但用处非常有限。

For those of you considering it, FATS type simulators are a useful tool, but very limited.

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坐在有三块显示器的模拟器里，每个受试者被要求行驶大约18米，跟在一辆由电脑驾驶的时速100公里（60英里）的虚拟车辆后。

Seated facing three monitors in a driving simulator, each subject was told to drive about 18 meters behind a computer-driven virtual car traveling at about 100 kilometers per hour (about 60 mph).

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而且任何优秀的SDK都会带一个手机操作系统的模拟器，这样开发者在电脑上就可以测试软件，而不一定要真正安装到手机上。

And any good SDK comes with an emulator for the OS itself, so devs can test apps without actually installing them on a phone. Apple's got one, but it only works on Macs.

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