We also saw good momentum with premium subscriptions as a result of the overall lift [of membership] on the platform and some continued optimization of the existing product portfolio.

而由于平台(会员数)的整体提升以及现有产品组合持续优化，付费订阅也势头强劲。

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The second chapter analyzes the theoretical ground of the loan portfolio and its optimization.

第二章分析了贷款组合与优化决策的理论基础。

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In the framework of modern financial theory, the concept and method of minimax design (or worst-case optimization) are proposed for the problem of portfolio choice.

在现代金融理论的基本框架下，提出了证券选择的极大极小设计(即最差情况最优化)的概念与方法。

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An experienced active manager can effectively reduce these risks with quantitative tools, a valuation discipline, fundamental research and portfolio optimization techniques.

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To really win at the game of cyber-security, you must tackle really hard problems such as usability, business process maturity and consistency, user training, network design, and optimization of your portfolio of applications.

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Portfolio optimization is probably the most misunderstood and misused model in finance.

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