One obvious solution would be to improve public transport so that workers have more choice over how to get to work.
一个显而易见的解决方案是改善公共交通，使人们在出行方式方面有更多的选择。
obvious 明显的、显而易见的
solution 解决方法
public transport/transportation 公共交通
choice 可以不可数，表示“选择权、选择的可能性”
Many cities have invested heavily in light rail and underground systems.
许多城市在轻轨和地铁系统上投入了大量资金。
invest heavily in sth 大量投资...
light rail 轻轨
underground 地铁
This means many commuters no longer need to drive, and it has helped to alleviate road congestion.
这意味着许多通勤者不再需要开车，这有助于缓解道路拥堵。
commuter 通勤者、上下班的人
alleviate sth 减轻、缓解...
congestion n. 堵塞（不可数）
摘自微信公众号“杨帅英语口语”2022.07.01
