• Secretary Gates is a co-chair of the task force President Obama formed to decide how to close the facility and what to do with the detainees.

    VOA: standard.2009.05.06

  • I feel like I have to introduce concepts like variance and co-variance and correlation in order to talk about finance; so that's what we'll do in Lecture Two.

    我会讲到像方差,协方差,相关系数,这样的概念,为金融学的内容作一些铺垫,我们会在第二课讲到

    耶鲁公开课 - 金融市场课程节选

  • and your co-worker continues to discuss how to do the work rather than actually doing the work,

    但你的同事仍然在滔滔不绝地谈论如何着手工作而不实际地做,

    There is 课堂 - SpeakingMax英语口语达人

  • They might say my sample period was off, ... but that's what the theory-- ... using my data for the sample period that I computed-- the expected returns and co-variances says one should do.

    他们可能说我的采样周期是有问题的,不过我的结果都是靠理论-,我采用自己收集的数据计算出-,预期收益和协方差可以用来指导我们的投资行为。

    耶鲁公开课 - 金融市场课程节选

  • What do you think of Mark Zuckerberg, the co-founder of Facebook?

    你觉得社交网络的共同创始人马克•扎克伯格怎么样?

    适合创业的旧金山 - SpeakingMax英语口语达人

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