American school buses are famous for "school bus yellow."
美国校车以“校车黄”闻名。
This color is not required by law.
这个颜色不是法律要求的。
In 1939, traffic officials from each state met and chose it.
1939年,各州交通官员开会选了它。
Because it is very easy to see, it became the safety standard.
因为它很显眼,所以成为安全标准。
In the 1980s, yellow school buses carried more than 60% of American students.
20世纪80年代,黄色校车接送了超过60%的美国学生。
School buses started in the countryside.
校车开始于农村。
Albert Luce, a dealer in Georgia, designed a vehicle with a metal body.
佐治亚州的经销商阿尔伯特·卢斯设计了金属车身的车辆。
At first, he used it to carry cement workers.
他最初用它运送水泥工人。
Later, he moved to the school market.
后来,他转向学校市场。
At that time, school districts joined small community schools into big schools.
那时,学区把小型社区学校合并成大型学校。
School buses became key support.
校车成了关键支持。
Matt Anderson is a curator at the Henry Ford Museum. He says that without school buses, this joining could not happen.
亨利·福特博物馆的策展人马特·安德森说,没有校车,这种合并就不可能发生。
School buses were later also used to end racial segregation.
校车后来也用于废除种族隔离。
They carried children of different races and helped them cross the gap.
它载着不同种族的儿童,帮助他们跨越鸿沟。
But this practice mostly ended.
但这一做法基本结束了。
School segregation got worse instead.
学校的种族隔离反而加重了。
Carl Fisher drove a school bus for 66 years.
卡尔·费舍尔开了66年校车。
He retired in 2012.
他在2012年退休。
He is the longest-working driver in Guinness Records.
他是吉尼斯纪录中工作时间最长的司机。
His first vehicle was a changed Dodge truck.
他的第一辆车是改装的道奇卡车。
That truck carried 20 children.
那辆车运送20个孩子。
Now, because of problems like a driver shortage, yellow school buses cannot carry many students.
如今,因为司机短缺等问题,黄色校车不能接送许多学生了。
Jim Opegaard drove in the suburbs of Minneapolis for over twenty years.
吉姆·奥佩加德在明尼阿波利斯郊区开车超过二十年。
He retired at age 94.
他在94岁退休。
He is the oldest school bus driver.
他是最年长的校车司机。
He says it is a rewarding job.
他说这是一份有回报的工作。
It helps children, and it also helps the whole society.
它帮助孩子,也帮助整个社会。