公共交通英语通常表示为"public transportation"。这个短语来源于英文单词"public"（公共的）和"transportation"（运输）。一些例句包括：

I usually take the bus to work because it's cheaper than driving.

The city has a well-developed public transportation system.

Some people prefer to use public transportation because it's more environmentally friendly.

在某些情况下，公共交通还可以用"mass transit"表示，这个短语指的是在城市或地区内运输大量乘客的交通系统，例如公共汽车、地铁、轻轨或火车。一些例句包括：

The new train line will improve the city's mass transit system.

Many people in the city rely on mass transit to get to work every day.

The government is investing in mass transit to reduce traffic congestion and air pollution.