用几句英语介绍一下上海的political situation

问题描述：

几句就好，短小精干，谢谢
英语。。。

问题解答：

Shanghai is the economic and political center of China. Recently it is making every effort to become a international city of the world.
Shanghai contributes a lot to the economy every year, and it offers many opportunities to people from all walks of life.