By comparing rings from different trees and with other historical data, you can often identify particular rings with the exact calendar year that they grew.

VOA: standard.2010.04.05

If you're comparing two portfolios with the same expected return, then you want the one with the lower variance.

比较两个有相同预期收益率的投资组合时，你会选择方差小的那一个。

耶鲁公开课 - 金融市场课程节选

Now, it seems to me we can eliminate that a little bit by comparing it with various modern approaches to the same sorts of problems.

如今,在死亡的问题上,我们已经通过,与现代多种同类方法和问题的对比,解决一些了

耶鲁公开课 - 古希腊历史简介课程节选

Some protestors carry signs comparing the Obama administration with Nazi Germany, and fringe elements still question whether the president is really a U.S.citizen, despite the fact that he has an official birth cirtificate on file with the state of Hawaii and birth announcements were printed shortly after he was born.

VOA: standard.2009.08.17

Usually it's not. That was the point that discussed in my chapter comparing him to Houston's film The Dead. Houston's film is filled with sentimentality and nostalgia. Welles generally avoids that, the way James Joyce does.

通常并非如此，那正是我在比较,他的作品与休斯顿的电影《死魂灵》,的章节中所谈到的，休斯顿的电影,充满了多愁善感和怀旧情绪，而威尔斯通常,尽量避免那样做，那是詹姆斯·乔伊斯的方式。

麻省理工公开课 - 电影哲学课程节选