The social polarisation that mr luft identifies " is not nearly as bad as in france " .

luftidentifies说社会两极化也不像法国那么严重。

In big cities they crowd together and go to schools from which native german children have fled , making it harder to integrate , says stefan luft , a scholar at the university of bremen .

不莱梅大学的学者stefanluft说，在大城市里，移民的孩子们聚集在没有德国本地孩子的地方，然后去学校，这就使移民的孩子和德国本地的孩子很难融合在一起。