Cars designed using computers can be tested as virtual machines first, before they are manufactured in metal.

在小轿车用金属制造之前，由电脑设计的小轿车能够首先作为虚拟小轿车来被测试。

What the Google developer did was take 25 Google cloud virtual machines and put them to work generating the ongoing digits of pi.

开发者所做的就是利用25台 Google 云计算虚拟机来生成 π 的数字。

If a program goes awry, worst case is that it crashes or compromises only the virtual machine on which it's running.

如果程序出错，最坏的情况是它只会崩溃或损害运行它的虚拟机。

And here I'm using an IP address because what I'm actually doing is I have a virtual machine in my computer, that is the one that is remote right now.

在这里，我使用 IP 地址，因为我实际上正在做的是我的计算机中有一台虚拟机，即现在处于远程状态的虚拟机。