The city has made a concerted effort to curb pollution, clean up and pedestrianize the streets, spiff up the museums, build a new airport and invest in one of Europe's better public-transit systems.
城市已经一致努力去

染,街道被打扫干净,划分了行人区,
洁了博物馆,建设了一个新的机场

建设欧洲其中一个较好的公共交通系统。
切都

是很困难
英式英语课堂
是那种需要
个


