Large expat communities now exist in every major city .

现在印度主要城市都有大型的外籍雇员团体。

Urban planners and economists have been trying for years to find solutions to the plethora of traffic problems that afflict urban communities .

这些年来，城市规划专家和经济学家一直在寻找有效途径来解决这个令大众痛苦的交通问题。

Communities as well as individuals suffer .

如同个体一样，团体也会遭难。

The government argues that the hunt brings income to struggling fishing communities .

政府辩称狩猎可以给艰难的捕鱼业团体带来收入。

Niessen believes the communities can learn from each other .

尼森认为各团体之间可以互相借鉴学习。