The White House Chief of Staff is the highest ranking member of the executive office of the president of the United States.

白宫办公厅主任,是美国总统的,行政办公室当中,职位最高的人员。

国际座谈会课程节选 : 普林斯顿公开课

The Office of the White House Chief of Staff is the highest office, and the Chief of Staff is the highest ranking member of the executive office of the president of the United States.

白宫办公厅是,最高级别的政府机关，而办公厅主任是,美国总统行政办公室,级别最高的官员。

国际座谈会课程节选 : 普林斯顿公开课