That system broke down last year and prompted some countries to reinstate temporary border controls within the passport free Schengen area.

去年这个体系崩溃了，使得一些国家重新在免护照的申根地区临时实施边境控制。

During Reconstruction, when Northern officials remained in temporary control of the war-ravaged Southern states, the symbols and ideology of the Confederacy were removed from public view.

在重建期间，当北方官员暂时控制被战争蹂躏的南方各州时，南方联盟的象征和意识形态就从公众视野中消失了。