A new study finds that McDonald's posted its slowest drive-through times since this survey was first conducted fifteen years ago.

一项新的研究发现，麦当劳公布了自15年前首次进行这项调查以来最慢的“免下车”时间。

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In another study of Columbia undergraduates, Bonanno found that students lived through an average of six potentially traumatic events in their four years at college.

在关于哥伦比亚大学生的研究中，布莱诺发现学生们在四年大学生活中，经历了六个潜在创伤性事件。

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Experts develop such sensitive perceptual radar the old-fashioned way, of course, through years of study and practice.

专家们经过了许多年的研究和实践，用老式的方法开发出一种叫做敏感知觉雷达系统，当然，还是有些新的一些发现。

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In March Dalbar, a financial services market research firm based in Boston, released a study of equity fund performance over the 20 years through last December.

FORBES: Fund Traders Are From Mars

The study analyzed food-borne disease outbreaks for 11 years from 1998 through 2008 to calculate an annual rate.

WSJ: Vegetables Are the Main Cause of Food-Borne Illness, CDC Study Finds

The study found that 35 percent of the vehicles from model years 2009 through 2011 being offered for sale had been in a fleet.

FORBES: Car Buyers, Beware: 16% Of Used Cars For Sale Have An Accident History, Study Finds