1. That strategy is part of a low-risk core portfolio. ��Щս���ǵͷ��պ���Ͷ����ϵ�һ���֡�
2. The capital asset pricing model (CAPM) demonstrates that the market portfolio is essentially the efficient frontier. �ʱ��ʲ�����ģʽCAPM֤���г�Ͷ����ϱ���������Ч�ı߽硣
3. In such a portfolio summary, executives can analyze schedules, costs, resource utilization, and other factors at a high level across all the projects taking place throughout the organization. ��������һƪ�ļ�ժҪ��ִ�����ܶ�������֯����ȫ����Ŀ���нϸ�ˮƽ�ķ���ʱ��������ã���Դ���ú��������ء�
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n.
1. a large, flat, thin case for carrying loose papers or drawings or maps; usually leather
2. a set of pieces of creative work collected to be shown to potential customers or employers
3. a list of the financial assets held by an individual or a bank or other financial institution
4. the role of the head of a government department