当然,魔鬼存在与细节.当Twiter连接到一个电子商务系统时,如何判断tweets的权威性,是twitter的一个弱点.但是,就像Twitter一再重申的那样:如果他们打算做广告,那他们希望广告是有吸引力的.上个月, Biz Stone说道:利用有意义并且相关的方式,便捷的将商务信息和个人联系起来是Twitter必须做到的.

Of course, the devil is in the details here. Maintaining the authenticity of tweets when they’re connected to an e-commerce system could be delicate.

youdao

这种理论能精确指出一组对象之间的相关性，比如可以评价一只股票和其他股票之间有何联系。

It can pinpoint correlations between groups of objects, so it can assess how one stock is linked to other groups of stocks, for instance.

youdao

只有一个月份的平均温度与抗抑郁药有负相关联系：七月。

Now there's only a correlation between temperature and anti-depressant medications in one month: July.

youdao

If you have questions-- and this will be on our website, it was in the email you were sent, and then it'll be here too when I post the course lecture notes-- contact these particular teaching fellows if you have questions about these particular parts of the course.

各位如有疑问,网站上会有相关内容公布,发给大家的邮件里也有,等我演示讲义时也会出现,如果各位对课程的某些部分有疑问,请联系这几位助教

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选