To talk with native speakers on topics of various social problems and academic issues.
能够就广泛的社会问题，以及在学术和专业方面用英语与外国人交谈。
We all know that public utility plays an important role in balancing various social problems in social and research.
公益事业对于平衡社会和研究中出现的各类社会问题能够起到重要作用。
The theory had a profound impact on solving various social problems in social transformation in early 20th century in the US and is regarded as an example for the rest of the world.
对解决美国20世纪初社会转型带来的种种社会问题产生了积极深远的影响，同时也给世界其它国家带来诸多可借鉴的经验。
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