King's College Summer School is an annual training program for high school students at all levels who want to improve their English.

国王学院暑期学校是一个针对所有想要提高英语水平的高中生的年度培训项目。

Racism exists at all levels of society.

种族主义存在于社会各阶层。

He's responsible for recruiting at all levels.

他负责各级征募工作。

I think people here at all levels of the profession are more educated than in Brazil.

我认为这里各个职业层次的人都比在巴西的受过更良好的教育。

The welfare pension of the aging population becomes a heavy burden for governments at all levels.

老龄人口福利养老金成为各级政府的沉重负担。