light bulb joke中文什么意思

例句与用法

1. how many salesmen does it take to screw in a light bulb ? ( pause ) i get it ! this is one of those light bulb jokes, right
   卖东西自然是一卖出东西至上，所以顾客说啥就是啥，要问他的意见？那是不会轻易给的。