There are four engineers traveling in a car; a mechanicalengineer, a chemical engineer, an electricalengineer and a computer engineer. The car breaks down.

• 四个工程师开车旅行,其中一个是机械工程师,一个是化学工程师,还有一个电气工程师和一个计算机工程师。半路上车子抛锚。