在美国那些小城街头,常常见到一个身穿扎眼的橘红色的坎肩的人,手执一个带柄的圆牌,牌上写着Stop,站在街中心。往来汽车遇之则停。即刻可见一群背书包可爱的小学生们蹦蹦跳跳过街。这些穿橘红坎肩者,大多是退 In the streets of small cities in the United States, it is common to see a person wearing a knurled orange waistcoat, holding a round card with a handle and a Stop on the card, standing in the middle of the street. When a car meets it, it stops. It can be seen immediately that a group of adorable schoolchildren carrying a schoolbag jumps over the street. Most of those who wear orange-red waistcoats are retired