Crystal says the dynamic nature of the Internet makes it difficult for comprehensive analysis of its effects to stay up-to-date.

VOA: standard.2010.01.16

I'll be sending you a global e-mail bringing you up to date with some other things later on this afternoon.

我会发给你们一封电子邮件,你们再了解些其他事项,好跟上进度,今天下午晚些时候就发

耶鲁公开课 - 聆听音乐课程节选

The second person I have set up now to come-- although the date on the syllabus online is going to be changed--is Andrew Redleaf, who is also a Yale graduate and who set up a hedge fund called Whitebox Advisors.

我邀请的第二位客座嘉宾,也许网上教学大纲的日期,会有所变动...是安德鲁·雷德利夫,他也是一位耶鲁的毕业生,他创设了Whitebox Advisors对冲基金

耶鲁公开课 - 金融市场课程节选

But it is becoming clear that the system that has been in place for years now, is not sufficiently up-to-date to take full advantage of the information we collect and the knowledge we have,".

VOA: standard.2009.12.29