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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See the Portfolio optimization section in the article supplement for a few more thoughts beyond the scope of this article.

更多信息参见补充资料的 Portfolio optimization 一节。

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Customer value Management is the ongoing dynamic optimization of the value of a portfolio of customers throughout their lifetime with your company.

顾客价值管理是指对客户群对于公司终生的价值不断的动态优化。

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FutureAdvisor says it uses a mathematical optimization algorithm to apply modern portfolio theory principles to each person's portfolio.

WSJ: Offering a Helping Hand on Retirement Saving

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

FORBES: Equal-Weight Indexers Didn't Suck Wind For A Decade

Some portion of the 40 basis points charged by Vanguard for managed accounts is paid to a firm named Financial Engines for independent portfolio optimization.

FORBES: More Worries for Defined Contribution Plan Fiduciaries (August 31, 2006)