通用接口总线

例句：

1. 1. The bus arrived at the station on time.
   公共汽车准时到达了车站。
2. 2. I took the bus to work every day.
   我每天坐公共汽车去上班。
3. 3. The bus driver was late for the first time this year.
   公交司机今年第一次迟到。