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

VOA: standard.2009.11.10

Perhaps the data rate was a little bit faster than you were accustomed to, but you had some familiarity.

可能这个数据速度,相比你所熟悉的有些快，但是你有一些亲切感。

麻省理工公开课 - 固态化学导论课程节选

Data shows the rate of childhood obesity has tripled over the last 30 years.

VOA: standard.2010.03.09