与生物病毒不同，计算机病毒是由程序员编写的。

Unlike biological viruses, computer viruses are written by a programmer.

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就像他们生物学中的同名物一样，计算机病毒复制时就是将自己俯身于宿主上（一个程序或是计算机），然后利用宿主的资源来复制自己。

Like their biological namesakes, computer viruses replicate by attaching themselves to a host (a program, or a computer) and coopting the host's resources to copy themselves.

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计算机病毒是一个程序或者一段代码，在你未觉察时进入你的电脑，从事违反你意愿的活动。所有的病毒都是人编出来的。

A computer virus is a program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes. All computer viruses are manmade.

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