unauthorized absence

大学英语CET... ... absence: 缺席|不在|失去 unauthorized absence: 擅离职守|擅自缺勤 continuous absence: 持续缺勤|连续缺勤 ...

大学英语CET... ... absence: 缺席|不在|失去 unauthorized absence: 擅离职守|擅自缺勤 continuous absence: 持续缺勤|连续缺勤 ...

...缺席」（authorized absence）及「未经许可之缺席」（unauthorized absence）。