例句：
1、Building more motorways and bypasses will help the environment by reducing pollution and traffic jams in towns and cities
建造更多的高速公路和绕城道路能够减少城镇中的`污染和交通堵塞，有利于改善环境。
2、A new telegraph line has been set up between the two cities.
那两个城市之间架设了一条新的电报线。
3、In the long term the company hopes to open in Moscow and other major cities
公司的长期目标是希望在莫斯科和其他大城市开门营业。