越来越多的专家相信移民对城市的建设起到积极作用。然而，越来越多的城市居

越来越多的专家相信移民对城市的建设起到积极作用。然而，越来越多的城市居民却怀疑这种说法，他们抱怨民工给城市带来了许多严重的问题，像犯罪、赌博和污染

結果 (英文) 1:

The growing number of experts believe that migrants play an active role in the construction of the city. However, more and more city residents questioned this argument, they complain that the migrants have brought many serious problems, such as crime, gambling, and pollution

結果 (英文) 2:

An increasing number of experts believe that migrants will exert positive effects on construction of city.However, more and more city residents who doubt this, who complain that the migrants have brought many serious problems in city, such as crime, gambling and pollution

結果 (英文) 3:

A growing number of experts believe that migrants will play a positive role for urban construction. However, an increasing number of urban dwellers but doubt it, complaining that workers bring to the city a number of serious problems, such as crime, gambling, and pollution