Luyện đềđúng chuẩn phòng thi.

Trams disappeared from most British cities during the 1950s, dismissed as slow and inflexible compared with the motor bus. Manchester reopened its first line in 1992, and by 2019 the network carried more than forty million passengers a year.

The decisive factor was not speed but predictability: a tram runs on rails that cannot be blocked by parked cars, and passengers proved willing to walk further to reach a service they could rely on.