urban core的用法和样例：
例句
- The presupposed congeniality has already been lost, even in old-core urban areas.
即使在古老的城市中心，那原本应有的和谐性已荡然无存。 - Military commanders say successes against extremists in this fighting have prompted the Taliban and their allies to hit soft-targets in urban centers of the country.
军方指挥官说，打击极端主义分子获得胜利促使塔利班和他们的同伙去攻击巴基斯坦城市中心的一些软目标。
