回复：*=*=* 《每日一句汉译英》 *=*=*

尽管市长仍然负责维护公共治安和提供公共服务，但21世纪的全球经济已经催生了一项新的职责：在竞争中保持领先。

In addition to secure safety and provide service to the public, the global economy in the 21st century creates a new duty to mayors: keep competibility of their cities in the race.