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。
But in real life their legal rights and there is no effective protection and maintenance and leading to various social problems.
但是现实生活中他们的合法权益并没有得到有效的保障和维护，从而导致了各种社会问题的产生。
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