has a positive function 有着积极的作用
Social capital has duality influence on marketing; that is to say, it has positive function and negative effect.
社会资本对企业营销的影响具有双重性，既存在积极作用，也会产生消极影响。
The result indicates that group counseling has positive function to improve the relationship between parents and children, and with pertinent individual interview, the effect would be more obvious.
个案研究的结果表明，团体心理辅导实验对于改善亲子关系有积极的作用，配合有针对性的个别访谈，改善的效果更加明显。
In her research, she has found that workplace gossip often serves a positive function.
她在研究中发现，工作场所的流言蜚语往往能起到一定的正面作用。
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