mass transit

1. N-UNCOUNT Mass transit is the transportation of people by means of buses, trains, or other vehicles running on fixed routes. 公共交通[美国英语] [oft N n]

The president wants to spend $105 billion over the next five years to improve the nation's motorways and mass transit systems. 总统要在今后五年花费1千零50亿美元来改善该国的公路和公共交通系统。