This unit of measure reports intervals as the number of years and months between two events.

这个测量单位以年和月的数量报告两个事件之间的时间间隔。

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At American Express (AXP) since 1990, she has headed OPEN, the company's small-business card unit for seven years.

美国运通open是运通公司旗下一个服务于小型企业的部门，自1990年起，她连续七年主管OPEN卡部门。

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In the third quarter the unit made its first profit in three years.

去年第三季度，该部门三年来首度盈利。

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But a study of elderly patients discharged from a hospital's intensive care unit (ICU) shows that almost 40 percent did not survive beyond the research period of three years.

VOA: standard.2010.03.07

And I end up going back and doing unit testing anyway, to try and figure out why it doesn't work. So over the years, I've just convinced myself I might as well start where I'm going to end up.

第一次从来不会正常运行,因此无论如何我还要回头去做单元测试,找找哪儿出错了，因此经过这么多年，我已经说服自己既然一定要做单元测试,那么还是一开始就做最好了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Brown set up a stand-alone security-and-privacy unit two years ago.

FORBES: Scare Tactics

The media-modeling tool was kicked into high gear two years ago when Chad Jacoby, senior manager of Nissan's Business Intelligence Unit, used years of Nissan's consumer research to build a computer model comparing the relationship of each phase of their "purchase funnel"--from awareness to purchase consideration to a transaction--to the phase before it.

FORBES: Ad Vantage

The unit in recent years has dealt with people who have fallen into sinkholes.

NPR: Rescuers Free Woman Wedged Between 2 Buildings