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I would like to thank Prof.Simon Marginson and two anonymous reviewers for giving valuable comments and suggestions on this article. Funding：This research was sponsored by the Shanghai Planning Office of Philosophy and Social Science (No. 2018EGL012).

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Water quality has deteriorated in recent years in Shanghai, China. More species of hazardous organic contaminant have been discovered. In developed area such as Shanghai, water pollution is more and more severe. Water quality of rivers in Shanghai territory falls into category Ⅲ~IV, which does not meet drinking water source standard. Huangpu River, the mother river of shanghai native, which provides nearly 80% of the water supply for downtown Shanghai, is facing imminent severe water pollution problem.