1. Answer with the type of public transportation you commonly use, such as buses, trains, subways, etc. 2. You can also explain why you prefer this mode of transportation, considering factors like convenience, cost, or environmental impact.

1. 回答您常用的公共交通类型，例如公交车、火车、地铁等。 2. 您也可以解释为什么偏好这种交通方式，考虑因素包括便利性、成本或环境影响。