New York's mass transit system operates 24 hours a day, seven days a week.

纽约市的公共交通体系每周七天，每天24小时运行。

Those devices were part of an early test program in the Los Angeles mass transit system in 2018.

这些设备是2018年洛杉矶公共交通系统早期测试项目的一部分。

It is one of the world's oldest mass transit systems. The city's first subway line opened in 1904.

这是世界上最古老的公共交通系统之一。纽约市首条地铁线路于1904年开通。

The two biggest challenges facing our city going forward are getting our mass transit system up and running and restoring power.

我们面临的两大挑战，就是恢复大规模的交通系统，恢复电力。

Better design and wiser use of both mass transit systems and private vehicles will play an important part in helping America get more out of energy used for transportation.

对大众交通系统和私人汽车两者的更好的设计和更机智的使用，将会在帮助美国更充分地利用被用于交通方面的能量起到重要作用。

He envisioned a high-speed mass transit system where people would travel on the ground, with little to no air resistance, inside of a tube.

他设想了一个高速公共交通系统，人们可以在地面上行驶，几乎没有空气阻力，在管道内。