短语词组短语laboring skill 劳动技能laboring people 劳动人民ship laboring 船在困难中前进laboring econimics 劳动经济学laboring relationship 劳动关系laboring women 劳动妇女laboring class 劳动阶级laboring argument 劳动争议laboring school 劳作学校 返回 laboring