... on occasion(s) 有时,间或 by occupation 职业 occupy oneself/be occupied (in) doing/with sth. 专心于,忙于 ...
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Identifying people by occupation 辨别身份
wage by occupation 岗位工资
employment by occupation 按职业分类的就业
american people by occupation 各职业美国人
prevailing wages by occupation 现行分类工资
breakdown of employees by occupation 职工按职业细分
workers not classifiable by occupation 未按职业分类的工人
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