三个承包商同一天在白宫游览。一个来自纽约,另一个来自密苏里州,第三个是佛罗里达人。在游览结束时,一个门卫问他们以什么谋生。在他们每人都回答说是承包商后,门卫说:“嗨,我们需要把后面的栅栏重修一下。为什么你们不去看看,出个价呢?”这样他们就来到了后面的栅栏。第一个 Three contractors toured the White House on the same day. One is from New York, the other from Missouri, and the third is Florida. At the end of the tour, a doorman asked them what they wanted to make a living. After each of them answered that it was a contractor, the guard said: “Oh, we need to rehabilitate the fence behind. Why don’t you go and have a look at the price?” Then they come to the fence behind. First