Methods: the self - concept form (SCT) was adopted to test that of 458 medical undergraduates and the form (SCL-90) of the commenting amount with the psychological symptom.

方法：采用自我概念测验表(SCT)与心理症状自评量表(SCL - 90)对458名医学本科生进行测试。

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I decided to test this by using an insight/concept that there is a lot of growth in emerging markets as countries pass the tipping point to a self-sustaining middle class.

笔者了解到随着越来越多的国家开始步入自给自足中产阶级的临界点，新兴市场发展前景大好，于是决定亲自试验一番。

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