It's like spray-painting the Grand Canyon, or drawing a mustache on the Mona Lisa. Why would anyone do something like that and ruin it for everyone else?
这就像在大峡谷上喷漆一样，或是在蒙娜丽莎脸上画上胡子，怎么会有人做这样的事，把别人的快乐都毁了？
2
As an example, a robot doing spot welding one month can be reprogrammed and switched to spraypainting the next.
比如说，一个机器人做了一个月的点焊，可以重新编程，下个月转向喷漆。
3
Most of today's robots are employed in the automotive industry, w here they are programmed to take over such jobs as w elding and spraypainting automobile and truck bodies.