The trends related to movies are less disturbing compared with the change in how teens spend their time.

与青少年如何花时间的变化相比，与电影相关的趋势没有那么令人不安。

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For his mathematical project, he compared two ways to estimate the square root of an integer, a number with no fractional parts.

VOA: special.2011.03.24

I managed to find price indexes for Norway and Netherlands going back to 1890 and compared that with the U.S.

我找到了挪威和荷兰1890年的,价格指数数据,和当时的美国作比较

耶鲁公开课 - 金融市场课程节选

Sadness increased the risk nearly six percent compared to periods with no such feelings.

VOA: special.2009.03.24

Check the divorce rates in each state for women with college degrees compared to those with no degree and maybe the same for women in so-called professional positions versus non-professionals.

FORBES: Readers Say

Witness the difference between engineering salaries for those with little experience compared to those with 10 to 20 years' experience: The experienced jobs tend to pay 55% to 60% higher.

FORBES: Most Lucrative College Majors

Further research might compare how individuals with healthy brains differ in their musical listening compared to people with autism or other brain disorders, Abrams said.

CNN: This is your brain on music