Labor dispatch not only plays a positive role, but also has negative effects.
劳动派遣既有其积极作用，也有其消极作用。
In legal practice, this principle plays a positive role, but there are some problems.
在司法实践中，这项原则起到了积极的作用，但还存在着若干问题。
Oral history plays a positive role in the study of Tsinghua University history.
口述史在推动清华大学校史研究方面起到了积极作用。
Oral history plays a positive role in the study of Tsinghua University history.
口述史在推动清华大学校史研究方面起到了积极作用。
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