It may be impossible for the same worker to walk off an assembly line one day and join a physical therapy practice the next.

让一个工人今天离开流水线，明天就参加理疗的工作，也许是不可能的。

My father's father worked in the chevy plant in flint, michigan. He was an assembly line worker.

我的祖父在密歇根州弗林特的雪佛兰汽车工厂工作，他是装配线上的一名工人。

He is a worker on an assembly line.

他是在流水线上工作的员工。

After all, what's wrong with a world in which a worker on an iPhone assembly line can't even afford to buy one?

总而言之，这个世界到底怎么了？一个在组装iphone生产线上的员工却买不起一台iphone ？