1. Keep the highest level of safety, quality and productivity. ���ְ�ȫ�������������������ˮƽ��
2. Describes the productivity of one person, firm, or nation to that of another. ����һ���ˣ���ҵ����������һ���ˣ���ҵ�����������ʵıȽϡ�
3. Whatever the reason, one result is that productivity is rising, cushioning profit margins. ����ʲô���ɣ����֮һ�������������������������ʡ�
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n.
1. the quality of being productive or having the power to produce
2. (economics) the ratio of the quantity and quality of units produced to the labor per unit of time