Their infection rate has doubled since nineteen ninety-six.

VOA: special.2009.03.16

A recent example of overselling: the National Association of Realtors has been running ads saying that home prices have always doubled every ten years.

举一个最近这方面的例子,全国房地产经纪人协会,投放了一则广告,内容是,在过去,房价每十年就能翻一番

耶鲁公开课 - 金融市场课程节选

Today,that number has doubled. Trust for America's Health, a non-profit group, has just issued its seventh report on obesity in America.

VOA: standard.2010.07.02

McJilton says since the downturn began, the number of their Tokyo clients has doubled.

VOA: standard.2009.09.09

Research shows that the number of donors over the age of 50 has doubled.

VOA: standard.2010.03.11

UNICEF's Lake said even in Senegal, where the number of public schools has doubled in the last decade, there is still work to be done to achieve gender equality in schools.

VOA: standard.2010.05.19

Officials say the rate has tripled in teenagers and doubled in younger children since nineteen eighty.

VOA: special.2010.06.07

This year,the number of new films being promoted has nearly doubled.

VOA: standard.2010.07.23

In the past few months, the cost of wheat and sugar has more than doubled they say, and cooking gas, in constant short supply, can cost three times as much as it did a few months ago.

VOA: standard.2010.04.20