研究结果表明，外部监督和团队成员的过度自信对团队整体预期效用的作用是相互替代、而不是相互补充的。
The result shows that overconfidence of team agent and external monitoring are substitutes rather than complements for the expected utility of the whole team.
这些技术很有前景，带来了新的体验，加强了网络应用的整体效率和效用。
These promising technologies bring a new experience and strengthen the application of the network's overall efficiency and effectiveness.
物流和供应链管理应通过时间和地点效用增加价值，促进整体竞争力。
Logistics and supply chain management should add value through time and place utility contributing to overall competitiveness.
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