casual laborers

基本解釋

Can the North Sea invite casual laborers?
北海哪可以請臨時工呀？
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China's construction workers, miners and casual laborers have all the ingredients for HIV to spread.
中國的建筑工人，礦工以及短工人群等具備所有傳播艾滋病的可能。
The fast development of higher education needs the support of human resources which leads to the reality that many casual laborers and peasant-workers are working in colleges and universities.
高等教育的快速發(fā)展需要人力資源的支持，高校吸納了大量的臨時工和農(nóng)民工，他們?yōu)閷W校的建設作出了重要的貢獻。