To understand these natures will be helpful for the understanding of knowledge, library science and library practices.

认识这些基本性质，有助于理解知识、理解图书馆学和图书馆工作。

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I want to talk a little bit about an individual difference in our social natures and then I want people to do a test that will explore where you stand on a continuum.

今天我要讲的个体差异,是属于社会性的，我会让你们做一个测试,来弄清楚你们在这个测试中处于什么位置。

耶鲁公开课 - 心理学导论课程节选