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A majority of Americans feel libraries are doing a good job of providing a safe place for people to hang out or spend time as well as opening up educational opportunities for people of all ages.

大多数美国人认为，在为人们提供闲逛或消遣的安全场所，以及为各个年龄段的人们提供教育机会方面，图书馆做得很好。

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As Yum grew up, at ages 7 and 8, he had to practise for four hours a day.

随着任的成长，年仅7、8岁，他就不得不每天练习4个小时。

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As the workforce ages, and key staff retire in greater numbers, and as the market for talented individuals is heating up, effective knowledge management is crucial to ensure that as people leave the corporation, knowledge remains.

FORBES: Five Ways to Prepare IT to Drive Productivity

As of 2008, 23% of adolescents between the ages of 12 and 19 had diabetes or the precursor condition known as pre-diabetes, up from just 9% in 1999, according to a new analysis of national survey data from the Centers for Disease Control and Prevention.

CNN: Nearly 1 in 4 U.S. teens facing diabetes

As Fallows pointed out ages ago, the military hangs all sorts of gadgets and capabilities on new programs, driving up cost and complexity, delaying completion and increasing the maintenance costs.

FORBES: F-35 Joint Fighter Soars, In Cost at Least