Through demonstration survey, this paper is expected to enhance the pertinence and validity of the present social workers' quality development based on its current information.

本论文通过实证调查，在掌握社会工作者素质开发现状信息的基础上，旨在加强当前社会工作者素质开发的针对性及其有效性。

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Based on the theory of Labour value, the surplus theory is the demonstration of the surplus Labour of workers.

剩余价值理论是以劳动价值论为基础，是劳动者剩余劳动的体现。

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Workers held a demonstration outside the Thera Trust's East Midlands headquarters in Grantham earlier.

BBC: Thera care workers protest at Grantham headquarters