The show's creators studied the children they were targeting very carefully to understand how to best keep them entertained -- and learning.

VOA: special.2009.11.27

As we've found cells from adult organisms that seem to be multipotential and studied them more carefully, some of their potentials turn out to be lost, they're not exactly the same.

因为我们在成人机体中找到,这些看上去是多能干细胞的细胞后,仔细研究后发现它们的一些潜能已经丢失,和胚胎中的那些并不一样

耶鲁公开课 - 生物医学工程探索课程节选

I studied the Paulson proposal carefully, since I'm writing a New York Times column about it which will appear Sunday Reading the various commentaries about the proposal I had the impression that not many of them are very--thinking very deeply about it.

在我写这个星期天将发行的,纽约时报的金融专栏之前,我曾认真研读了鲍尔森的改革计划,在我读过各种各样关于改革计划的评论之后,我深深地感觉到不是每一个人,都能深刻的意识到改革的利弊的。

耶鲁公开课 - 金融市场课程节选

Charles Darwin studied the finches carefully when he visited the Galapagos in eighteen thirty-five.

VOA: special.2009.12.16

The judges studied it carefully because it raised serious constitutional questions.

VOA: special.2009.05.14