One problem health care providers have here is getting good data on the maternal mortality rate.

VOA: standard.2009.11.10

There's a problem with that and the problem is that countries that are less successful don't keep data--that's a problem.

但这个研究方法也有问题,在那些不太成功的国家里,数据并不充分,这是个问题

耶鲁公开课 - 金融市场课程节选

And the problem is, that we want to build this abstract data type, but we'd like to basically know what kind of object is it, and what functions actually belong to it, how do we use them?

然后我对它们运行了这个方法，就是这一小段代码这个方法,这有意义么？,当然没有了，对不对？,因为你知道，当你把两个极坐标，表示的点进行相加运算的时候？

麻省理工公开课 - 计算机科学及编程导论课程节选

And so if you know what patterns of zeroes and ones to look for as you will yourselves this year in that forensics problem set, can you recover a lot of that data?

如果你知道如何去发现,这些0和1的排列规则,这也是套题中的问题，你就能恢复把这些大量数据恢复？

哈佛公开课 - 计算机科学课程节选