So off he goes. The dog is walking down the street, when it comes to a level crossing; the dog puts down the bag, jumps up and presses the button. Then it waits patiently, bag in mouth, for the lights to turn. They do, and it walks across the road, with the butcher following him all the way. 他們沿著路走,來到十字路口的時候這條狗就把袋子放下,跳起來按了行人通行鈕,再叼起袋子耐心地等綠燈亮起,再行通過這個路口,當然肉販還是緊緊跟著它。