短语词组短語laboring skill 勞動技能laboring people 勞動人民ship laboring 船在睏難中前進laboring econimics 勞動經濟學laboring relationship 勞動關系laboring women 勞動婦女laboring class 勞動堦級laboring argument 勞動爭議laboring school 勞作學校 返回 laboring