个案研究指对某种行为或事物单一案例的深入调查，其目的是探索行为或事物之间的因果关系。
The case study is a thorough investigation of a single case of behaviors or matters. Its purpose is to explore the causality between these behaviors and matters.
个案研究指对某种行为或事物单一案例的深入调查，其目的是探索行为或事物之间的因果关系。
The case study is a thorough investigation of a single case of behaviors or matters. Its purpose is to explore the causality between these behaviors and matters.
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